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Wang Shuhe in *Mai Jing* (Pulse Classic) only discusses twenty-four types of pulses. As for the Chang (Long) pulse and Duan (Short) pulse, they are missing and not recorded; the Lao (Firm) pulse and Ge (Leather) pulse are mixed and not distinguished; furthermore, there is the Ji (Extreme) pulse, characterized by seven or more beats per breath cycle, which is also known as the Ji (Rapid) pulse. This is a pulse frequently felt under the fingers, so how can it be discarded? In total, twenty-eight pulses are obtained. They are analyzed clearly and distinguished in detail. Those that are slightly confused or mixed with doubt are entirely corrected for errors. The meanings that have been obscure and dimmed for a long time are now beginning to be illuminated. However, all these are based on考证 (textual research) of classics, adhering strictly to the ultimate principles of medical theory. Finally, I dare not use subjective speculations to confuse the medical heritage of millennia.

**Physical Manifestation**: The Fu (Floating) pulse is located at the skin and hair level, like wood floating on water. When lifted lightly (Ju), it feels abundant; when pressed heavily (An), it feels insufficient.

**Predominant Diseases**: The Fu pulse belongs to Yang, and the disease location is in the Exterior (Biao). A Fu pulse at the Cun (Inch) position indicates Wind Injury (Shang Feng), accompanied by headache and nasal congestion. A Fu pulse at the left Guan (Bar) position indicates Wind pathogen in the Middle Jiao (Middle Burner). A Fu pulse at the right Guan position indicates Wind-Phlegm in the Diaphragm area. If found at the Chi (Cubit) position, it indicates Wind-Heat in the Lower Jiao (Lower Burner); symptoms include difficult urination and constipation with dryness.

**Combined Pulses**: Fu pulse without strength indicates Deficiency of the Exterior; Fu pulse with strength indicates Excess of the Exterior. Fu-Jin (Floating-Tight) pulse indicates Wind-Cold; Fu-Chi (Floating-Slow) pulse indicates Wind Strike (Zhong Feng). Fu-Shu (Floating-Rapid) pulse indicates Wind-Heat; Fu-Huan (Floating-Lax) pulse indicates Wind-Dampness. Fu-Kou (Floating-Hollow) pulse indicates Blood Loss; Fu-Duan (Floating-Short) pulse indicates Qi Disease. Fu-Hong (Floating-Vast) pulse indicates Empty Heat; Fu-Xu (Floating-Deficient) pulse indicates Exhaustion from Summerheat. Fu-Se (Floating-Choppy) pulse indicates Blood Injury; Fu-Ru (Floating-Soft) pulse indicates Qi Failure.

[Commentary]: The meaning of the Fu pulse is like wood floating on the surface of water. The Fu pulse follows the Way of Heaven, presenting the image of lightness and clarity residing above. In the Eight Trigrams (Bagua), it corresponds to Qian (Heaven); in seasons, it corresponds to Autumn; in the human body, it corresponds to the Lung.
*Suzhou* (Su Wen) states: "When the qi comes feeling like feathers but firm in the center and empty on both sides, this is called 'Excess' (Tai Guo), indicating disease in the exterior. When the qi comes feeling feathery but weak, this is called 'Deficiency' (Bu Ji), indicating disease in the interior." It further states: "Excess leads to rebellious qi causing pain; deficiency leads to panting, shortness of breath, and coughing, with blood appearing in upper qi." It also states: "The Lung pulse, gentle and rustling, like falling elm seeds, is called Normal Lung Pulse. The Lung pulse, neither rising nor falling, like tracing a chicken feather, is called Diseased Lung. The Lung pulse coming like a floating object, or like wind blowing hair, is called Dead Lung Pulse."
Wang Shuhe said: "Abundant upon lifting, insufficient upon pressing," which best fits the meaning of the Fu pulse. Li Shi believed it was like rolling scallion leaves, which confuses it with the Kou (Hollow) pulse. Cui Shi said: "Having exterior but no interior, having upper but no lower," which implies being rootless, thus confusing it with the San (Scattered) pulse. The Pseudo-Mantra says: "Searching for it feels like excess," implying fullness at the middle depth, which has what relevance to the name and meaning of the Fu pulse? One must know that Fu and Vast (Hong) constitutes the Hong (Vast) pulse; Fu and Soft-Large constitutes the Xu (Deficient) pulse; Fu and Soft-Fine constitutes the Ru (Soft) pulse; Fu and Rootless constitutes the San (Scattered) pulse; Fu and String-Hollow constitutes the Ge (Leather) pulse; Fu and Hollow-in-the-center constitutes the Kou (Hollow) pulse. Between slight similarities and doubts, the difference is already a thousand miles. How can one not carefully perceive and recognize them!
If Cun, Guan, and Chi positions are all Fu, moving straight up and straight down, or if there is Mania (Dian) or Epilepsy (Xian), with stiffness and pain in the waist and back, unable to bend or extend, this is disease of the Du Mai (Governing Vessel).
The Lung organ's function corresponds to Metal of Autumn. The qi of heaven and earth descends in autumn. Moreover, the nature of Metal is heavy and sinks downward. Why does it correspond to the Fu pulse? It is unknown that although Lung Metal sinks, what it actually governs is Yang Qi. Furthermore, it resides at the highest position, serving as the Canopy over the five zang and six fu organs. Its function of lightness and clarity harmonizes with the virtue of Qian Heaven, therefore it corresponds to the Fu pulse.