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Zhang Zihe stated: Regarding leukorrhea in women, the theories presented in *Shenghui Fang* and those of Chao Yuanfang are both incorrect. In treating diseases, one must first understand the meridians. The human body has twelve main meridians and eight extraordinary vessels. The twelve regular meridians and the eight extraordinary vessels circulate throughout the body; together there are twenty meridian pathways, flowing up and down in a continuous cycle day and night without cessation. However, among these twelve regular meridians, only nineteen pathways actually flow up and down in a cycle. Only the Dai Mai (Girdle Vessel) originates from the end of the lower abdomen and lateral hypochondrium, specifically at the Zhangmen (LR13) acupoint. It encircles the body once, passing through the waist, binding the body like a belt. As stated in the *Nan Jing*, disease of the Dai Mai presents as flaccidity and weakness, as if sitting in water. The Chong Mai (Penetrating Vessel) and Ren Mai (Conception Vessel) are the seas of the meridians. They follow the abdomen and hypochondrium, run alongside the umbilicus, transmit to the Qichong (ST30) acupoint, belong to the Dai Mai, and connect with the Du Mai (Governor Vessel). The Du Mai originates from the Guanyuan (CV4) acupoint. The Ren Mai is the site where women nourish the fetus. The Du Mai serves as the governor and leader of the sea of women's meridians. The Chong, Ren, and Du meridians share the same origin but have different courses; they branch out from one source into three, all connecting with the Dai Mai. These three meridians are all governed by the Chuankou (perineum), follow the genitalia, and pass through the upper ends of the Tingkong (urethral opening) and Niao Kong (urinary meatus). The Chong, Ren, and Du meridians are bound by the Dai Mai. Because other meridians flow up and down, they leave residual heat within the Dai Mai. This pathogenic heat becomes stagnant. Heat relates to blood; when blood accumulates for many days without flowing, it transforms according to the nature of Metal into white discharge. Accompanied by "injustice heat" (stagnant heat) in the lower abdomen, the white substance overflows and is discharged with urine, continuously and endlessly, which constitutes leukorrhea (white discharge). It usually does not cause pain; if pain occurs, it is due to obstruction and stagnation. The classic states: "Injustice heat in the lower abdomen causes white fluid to be excreted with urine." "Injustice" refers to屈曲阻滞 (twisted stagnation). This disease does not originate from the affected meridian itself but is caused by stagnation in other meridians. All such cases should be treated based on damp-heat. Residual heat left in the Small Intestine transforms into white discharge following the nature of Metal; the treatment method is the same as that for dysentery. Red and white dysentery indicates pathogenic heat transmitted to the Large Intestine. Red and white leukorrhea indicates pathogenic heat transmitted to the Small Intestine. Therefore, when treating these two conditions, one must not abruptly use harsh hot drugs to dry dampness. If dried, internal fluids will be depleted; depletion of internal fluids leads to vexation and thirst; vexation and thirst results in difficult urination, followed by edema of the feet and face, eventually leading to bedridden state. The treatment method: First, use Daoshui Wan (Water-Guiding Pill) and Yugong San (Yu Gong Powder) to purge; subsequently, use bland-tasting agents to descend Heart Fire, tonify Kidney Water, promote urination, and unblock the water passages, then the disease will resolve.