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Jujing (Resident Menses) refers to menstruation occurring once every three months. Generally, a woman's constitution requires abundant blood to conceive, and the pulse during pregnancy is slippery and rapid. *Jinkui Yaolue* states: The Wei pulse at Cun Kou is floating and large, while the Ying pulse is conversely weak (It is said that the Chi pulse in women should be vigorous; seeing it weak now indicates insufficient Ying blood below. A floating and large Wei pulse at Cun Kou indicates excessive Wei Qi above). Floating and large indicate strong Qi, while weakness indicates scanty Blood. Solitary Yang exhales alone, Yin cannot inhale; the two Qi do not interact harmoniously. With strong Wei and weak Ying, Yin becomes accumulated cold, and Yang becomes gathered heat. Excessive Yang fails to moisten, and the meridians are deficient. Yin deficiency with Yang excess leads to scanty blood. One may frequently experience chills, dry throat with sweating, or thick and frequent urination, along with excessive saliva and phlegm. This is termed double deficiency. As fluids leak and essence drains, it is known that this is not blood stasis causing fullness and vexation, but rather receiving one meridian cycle per month, arriving every three months. When Yin is excessive, discharge occurs, named Jujing.

Commentary: The floating and large Wei pulse refers to the right pulse being floating and large. The conversely weak Ying pulse refers to the left pulse being weak. Generally, the left pulse governs Blood, corresponding to the Heart, Liver, and Kidney regions. The right pulse governs Qi, corresponding to the Lung, Spleen, and Kidney regions. In women, when Qi and Blood are balanced and the pulse is slippery and smooth, conception can occur. Now, with insufficient Ying Blood and dominant Wei Qi, this is a sign of Yin decline and Yang flourishing; how can pregnancy be achieved? Therefore, although menstruation does not arrive until the third month, this is a symptom of Jujing, not pregnancy. Treatment should focus on nourishing Blood and regulating Ying.

When a woman's menses are about to begin, she must suffer from diarrhea for three days before menstruation starts. If the pulse is soggy and weak, this indicates Spleen Deficiency. The Spleen belongs to Earth and Dampness. When menstruation is about to move, Spleen Blood first flows into the Sea of Blood, then descends as menstrual flow. Once Spleen Blood is depleted, it becomes too weak to transport Dampness. It is appropriate to administer Shen Ling Bai Zhu San ("Soggy and weak" sufficiently proves Spleen Deficiency; this is Qi deficiency of the Spleen, not Blood deficiency, so the medication is correct. However, the theory that Blood deficiency fails to transport is questionable).

*Chanbao Fang* states: Menstruation circulates Qi and Blood, connects Yin and Yang, and nourishes the body. When Qi and Blood are abundant and Yin and Yang are harmonious, the body is smooth and healthy. If external Wei Qi lacks nourishment, or internal Ying Qi lacks irrigation, leading to insufficiency of Qi and Blood, then when menstruation is about to start, the body will ache first (Based on this, formulas such as Shiquan Dabu Tang, Bazhen Tang, or Renshen Yangrong Tang are suitable).

Commentary: The aforementioned symptoms may belong to Blood Deficiency, Blood Wind, Phlegm Stagnation, or Blood Stasis; the causes differ. As stated in *Liangfang*: Women's Blood Wind arises from insufficiency of Qi and Blood, loose interstices, and invasion by Wind-Cold, causing struggle between pathogenic and righteous factors, resulting in joint pain, limb fever, bitter taste in the mouth, and dry throat; this is Blood Wind. Dong Yuan stated: Irregular diet and weak Spleen-Stomach lead to diseases of the Blood, resulting in insufficient saliva in the mouth. If Fire-Heat attacks the Earth position, limb pain and skin fever occur; this is Blood Deficiency. Lizai's treatment methods: For Liver Meridian Wind-Heat, use Siwu Tang plus Qianghuo, Fangfeng, Qinjiao, and Huangqin. For Liver Meridian Blood Deficiency, use Xiaoyao San plus Shudi, Chuanxiong, and Mudanpi. For Wind-Dampness combined with Phlegm, use Siwu Tang plus Tian Nanxing, Banxia, Qianghuo, and Cangzhu. For Wind-Dampness injuring the Spleen, use Qianghuo Shengshi Tang. For Summerheat-Dampness injuring Qi, use Qingzao Tang. For Liver Qi stagnation injuring the Spleen, use Sijunzi Tang plus Muxiang, Zhike, and Binglang. For Blood Stasis flowing and accumulating, use Siwu Tang plus Taoren and Honghua.