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Discussions in recent times refer to Heart Fire as Sovereign Fire (Jun Huo, 君火) and Kidney Fire as Ministerial Fire (Xiang Huo, 相火), but this view is not entirely appropriate. The Heart belongs to Fire, resides in the Upper Jiao (Upper Burner), is purely Yang, and serves as the master of the whole body; thus, calling it Sovereign Fire is beyond dispute. However, the Fire within the Kidneys is far removed from the Heart; it is Fire within Water, which differs in nature from Heart Fire. Therefore, labeling it as Ministerial Fire seems inappropriate. Yin and Yang mutually inhabit each other's domains: while the Heart certainly possesses Fire, the Kidneys also possess Fire. Heart Fire is Fire within Fire; Kidney Fire is Fire within Water. Kidney Fire guards the Lower Jiao, while Heart Fire guards the Upper Jiao, and the San Jiao (Triple Burner, a pathway for Qi and fluid metabolism) acts as a conduit to facilitate the interaction between these two Fires. When Heart Fire agitates, the floating Fire in the Kidneys follows suit; when Kidney Fire agitates, the floating Fire in the Heart follows suit. There are cases where Heart Fire agitates while Kidney Fire remains still, with pathology confined solely to the Heart; there are also cases where Kidney Fire agitates while Heart Fire remains still, with pathology confined solely to the Kidneys. Therefore, the method for treating Fire must first ascertain which Fire is involved before prescribing specific medications. To treat Heart Fire, bitter-cold herbs are used; to treat Kidney Fire, salty-cold herbs are used. If the Yin of these two Zang organs is insufficient to control the Fire, then Yin-nourishing herbs from these two organs should be employed to tonify them. In cases of Kidney Fire flying away (floating Yang escaping outward), methods for restoring Yang are applied, utilizing warm-hot herbs, which is completely different from treating Heart Fire. Thus, all five Zang organs possess Fire, but the Fire of the Heart and Kidneys is prone to agitation, necessitating detailed investigation into treatment methods. Regarding the concept of Ministerial Fire, if it refers to the Fire of the Pericardium (Xin Bao Luo, 心包络) causing palpitations (Zhen Tong, 怔忡), facial flushing, irritability, and dizziness, located beside the Sovereign Fire, then calling it Ministerial Fire appears more accurate. Consulting the *Nei Jing* (Inner Canon) will naturally yield true insights.

Life and death are of paramount importance to humans! Yet, through minute movements at the Cun Kou (Inch Position, radial artery pulse point) on both hands, one can determine life and death. Is this not akin to fraud? However, ancient physicians often achieved accuracy without error in a hundred attempts. Why? The key lies in taking Wei Qi (Stomach Qi, vital energy derived from digestion) as the foundation. Human life depends fundamentally on diet. As stated in the *Ling Shu* (Spiritual Pivot): "Grain enters the Stomach, then transmits to the Lung, and all Five Zang and Six Fu organs receive its Qi." The Cun Kou belongs to the Lung Meridian and is the convergence of all vessels. Therefore, when the pulse arrives, there is Sheng Qi (Vital Qi) flowing within it, harmonious, smooth, and unobstructed, imbued with the essence of the Central Earth (Spleen and Stomach). This constitutes the presence of Wei Qi. Presence implies life; absence implies death—this is the general principle. Secondly, one must deduce the favorable or unfavorable trends of Heavenly Movements (natural climatic cycles). Human Qi corresponds to Heavenly Qi: for instance, Spring Qi belongs to Wood, so the pulse should be Wiry (Xian Mai, 弦脉); Summer Qi belongs to Fire, so the pulse should be Surging (Hong Mai, 洪脉), etc. Conversely, such pulses do not correspond to Heavenly Qi. Thirdly, one must examine the generation and restriction relationships among Zang Qi. For example, Spleen disease fears the Wiry pulse because Wood restricts Earth; Lung disease fears the Surging pulse because Fire restricts Metal. Conversely, such pulses do not harm Zang Qi. Fourthly, one must distinguish between conformity and deviation between disease and pulse. Diseases and pulses have their respective appropriateness and inappropriateness. For instance, after severe blood loss, the pulse should be quiet and fine; if it is instead surging and large, it indicates that Qi is also escaping outward. In cold-heat syndromes, the pulse should be surging and rapid; if it is instead fine and weak, it indicates that True Yuan (Original Qi) is about to collapse. As for Zang Organ Pulses (Zang Mai, 脏脉, pulses devoid of Wei Qi), they occur because Wei Qi has been exhausted and cannot nourish the Zang organs. Consequently, whichever Zang organ is diseased, its corresponding pulse manifests exclusively. All these points are clearly and thoroughly explained in texts such as the *Nei Jing* and *Nan Jing*. If students study them diligently and reflect deeply, they will understand them clearly and easily; these are aspects that can be reliably judged. However, claims that "pulse diagnosis alone can identify any disease" or that "one can predict life and death with absolute certainty" are incorrect. Pulse changes are variable; sometimes sudden pathogenic factors have not yet penetrated the meridians, resulting in no immediate pulse change; or the disease is mild and does not manifest in the pulse. Sometimes chronic ailments have entangled with Qi and Blood over time, making it difficult to assess severity immediately; or diseases follow meridian transmission patterns, changing unpredictably, so one cannot judge right from wrong based on a single momentary pulse. Moreover, there are tens of thousands of disease names, but only dozens of pulse images. Furthermore, a single disease may present with dozens of different pulses. How can one diagnose the specific disease merely by feeling the pulse? These assertions are often coincidental guesses passed off as truth to deceive people. What if Zang Organ Pulses do not appear even at the point of death? How then can one make a judgment? One must combine Observation (Wang, 望), Listening/Smelling (Wen, 闻), and Inquiry (Wen, 问) for comprehensive assessment, thereby achieving high accuracy. Thus, while the pulse can serve as a reference, it is not always reliable; conversely, while some say it is unreliable, it is indeed dependable. The crux lies in the physician mastering classical medical theories and engaging in deep personal reflection, ensuring universal validity. Superficial and baseless popular sayings are unworthy of attention.