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The Bladder corresponds to Water in image, and its Qi prospers in Winter. The Foot-Taiyang Meridian is its channel, and the Kidney is its exterior organ (Fu-organ relationship). The fluids from the five grains and five flavors all converge into the Bladder; through Qi transformation, they are divided and enter the blood vessels to form Marrow; while the remaining fluids enter the Baozhong (Uterus/Bladder cavity) to become urine.

If the Qi of the Bladder is excessive, it constitutes a surplus condition, leading to Heat disease,涩滞 (stagnation) of the Baozhong, obstruction of urination, and swelling and pain in the lower abdomen, which indicates Excess of Bladder Qi; thus, purgation should be employed. If the Qi of the Bladder is deficient, Cold pathogen invades, causing滑脱 (slippage/incontinence) of the Baozhong, frequent and profuse urination, and a dark complexion, which indicates Deficiency of Bladder Qi; thus, tonification should be employed.

Regarding decoctions, moxibustion/warming applications, acupuncture, and stone needles, there are separate specific formulas. Methods for nourishment and Dao Yin (guiding and pulling exercises) are attached hereafter.

The *Yangsheng Fang · Daoyin Fa* states: Squat, lean the body, extend both hands forward with force, palms facing up, reaching the extreme limit, turning the waist left and right thirty-one times. This removes Cold Blood Wind from within the Bladder and stiffness/spasms of bone joints.

It also states: Kneel with alternating legs (Hu Gui), harmonize Heart Qi, directing intention downward to the feet, visualizing Qi flowing steadily and distributing appropriately; then slowly rise, extending hands beside the ribs, as if the palms continuously inhale and exhale Qi. If urgency or chest oppression is felt, stop immediately; lie with back on the ground, repeating fourteen times. This alleviates coldness in the knees, chronic diseases of the Bladder, stiffness of the waist and spine, and cold oppression below the umbilicus.

The Sanjiao (Triple Burner) consists of the Upper Jiao, Middle Jiao, and Lower Jiao. The Qi of the Upper Jiao originates from the upper opening of the Stomach, travels above the pharynx, penetrates the Diaphragm, spreads within the Chest, moves toward the axillae, follows the distribution of the Taiyin channel, ascends to the tongue, and descends to the Foot-Yangming channel. It usually travels together with Ying Qi (Nutritive Qi) and Wei Qi (Defensive Qi), governing internal distribution without external leakage.

The Qi of the Middle Jiao also converges at the stomach opening, emerging after the Upper Jiao. This is the site receiving Qi; it separates dregs, receives fluids, transforms them into fine essences, which ascend to inject into the Lung vessels, thereby transforming into Blood. It governs neither ascending nor descending excessively, maintaining balance.

The Qi of the Lower Jiao separates from the Hui Chang (Lower Intestine), injects into the Bladder, and渗灌 (seeps and irrigates) therein. It governs excretion without retention. Thus, water and grain commonly reside in the Stomach, transform into dregs, and descend together into the Large Intestine. These three Qi "burn" (ripen and vaporize) water and grain, distinguishing clear from turbid, hence named Sanjiao. The Sanjiao is the pathway for water and grain, and the beginning and end of Qi.

If the Qi of the Sanjiao is excessive, it constitutes a surplus condition, resulting in distension, Qi filling inside the skin, feeling light and soft but not firm, or涩滞 (obstruction) of urination, or difficulty in defecation. This is Excess of Sanjiao; thus, purgation should be employed. If the Qi of the Sanjiao is deficient, Cold pathogen invades, causing enuresis, diarrhea/dysentery, chest fullness, or indigestion. This is Deficiency of Sanjiao Qi; thus, tonification should be employed.

Palpating the Cun Kou pulse: if slow, Cold exists in the Upper Jiao; if Chi pulse is slow, Cold exists in the Lower Jiao; if Chi pulse is floating, Exogenous Yang pathogen resides in the Lower Jiao.