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The *Huangdi Neijing* (Yellow Emperor's Inner Canon) originally did not have the term "Mingmen" (Gate of Life). The concept of Mingmen originated from Difficulty 36 of the *Nan Jing* (Classic of Difficult Issues), which stated that there are two kidneys: the left is the Kidney, and the right is the Mingmen. In men, it stores essence; in women, it connects to the uterus. If the right kidney stores the essence of men, then what does the left kidney store? Why is the uterus of women connected exclusively to the right? This theory raises significant doubts.

Mingmen is located between the two kidneys, not biased towards the right, and serves as the gateway to the uterus in women. The uterus is the mansion where the Kidney stores essence, situated between the Guanyuan (CV4) and Qihai (CV6) acupoints. Male essence and female blood gather here, constituting the primordial True One Qi, also known as the True Yang within Kan (Water trigram), which is the origin of biological transformation for the whole body. Therefore, Mingmen lies in the center of the two kidneys and cannot be solely biased to the right. The two kidneys belong to Water and are divided into Yin and Yang; Mingmen belongs to Fire and resides among the two Yins. Thus, the *Mai Jing* (Pulse Classic) associates the Kidney pulse with both Chi positions (cun-chi pulse at the wrist). It should be stated that the Left Chi governs True Yin, and the Right Chi governs True Yang. Mingmen, being the root of Yang Qi, follows the Minister Fire of the Sanjiao (Triple Burner) and manifests together at the Right Chi position. However, claiming that the left Kidney primarily governs the Kidney function while the right Kidney specifically serves as the Mingmen is an error transmitted through millennia, which must be urgently corrected.

Malaria and dysentery occur in summer and autumn, originally due to damp-heat. Is this not damp-heat pathology? However, the scorching heat comes from Heaven (nature). If one can adapt to the natural climate, how could illness arise? Illness arises only when one seeks coolness due to heat and acts with excessive indulgence. Therefore, when Wind-Cold pathogens invade the exterior, the pathogen is in the meridians, and the disease is mostly malaria; when raw and cold foods damage the interior, the pathogen is in the Zang organs, and the disease is mostly dysentery. When dysentery arises, long-standing stagnation of summer-heat and dampness transforms into damp-heat. However, consuming melons, raw/cold foods, cool winds, or ice water may not necessarily involve stagnation. Combined with dietary clashes triggering the condition, dysentery invariably originates from Cold-Damp disasters. How can it be exclusively attributed to Damp-Heat?

Differentiating the cold and heat nature of dysentery by the red and white color of stool has been advocated since Chao Yuanfang. This is an ancient method and not a fallacy. Since Liu Wansu (Hejian) proposed that white belongs to the Lung (which governs Qi) and red belongs to the Heart (which governs Blood), this reasoning has merit. Zhu Danxi followed this, asserting that white dysentery comes from the Large Intestine and red dysentery from the Small Intestine. I argue that red dysentery can also present with Cold syndromes, though Heat predominates ultimately; white dysentery can also present with Heat syndromes, though Cold predominates ultimately. Cases of white dysentery with Heat will manifest Heat in pulse and symptoms; cases of red dysentery with Cold will manifest Cold in pulse and symptoms. To claim that white must belong to the Lung ignores that white dysentery may involve blood transformation; to claim that red must belong to the Heart ignores that bloody dysentery involves Qi dynamics. The *Ju Fang* (Prescriptions of the Bureau) treats dysentery using warm-hot herbs; Liu Hejian treats dysentery focusing on bitter-cold herbs; both are biased views.