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Xiaoyao San (Modified prescription from Lin's *Huoren Lu Huibian*). Indicated for symptoms caused by deficiency of Spleen blood leading to fever, or tidal fever and evening fever, or spontaneous sweating and night sweats, or headache and dry eyes, or palpitations and restlessness, or red eyes and dry mouth, or irregular menstruation, abdominal pain, or a sensation of heaviness and bearing down in the lower abdomen, painful and difficult urination, or prolapse of the uterus/vagina causing pain, or swelling and itching of the vulva, vaginal odor and pubic lice, or swelling, pain, and pus discharge, internal heat with thirst, etc.

Ingredients: Danggui (Radix Angelicae Sinensis), Baishao (Radix Paeoniae Alba), Baizhu (Rhizoma Atractylodis Macrocephalae), Baifuling (Poria), Chaihu (Radix Bupleuri) (each 1 qian); Fen Danpi (Cortex Moutan Radicis), Shanzhi (Fructus Gardeniae), Zhi Gancao (Radix Glycyrrhizae Preparata) (each 0.5 qian).
Preparation and Administration: Decoct in water, take orally late in the afternoon before going to sleep.

The name "Xiaoyao San" implies the meaning of light, ascending, and dissipating. Generally, this condition arises from deficiency of Liver and Spleen blood accompanied by Qi stagnation, leading to heat constrained internally without proper venting, which may even sink into the Lower Jiao and accumulate over time. If fever is present, refer to the aforementioned primary formula; if the pulse is deficient, rapid, and forceless, add Renshen (Radix Ginseng) 1 qian, Shengdi (Radix Rehmanniae Preparata) 1.5 qian, Danggui 0.5 qian, and reduce Chaihu by 0.5 qian. Excessive sweating indicates fire in the Pericardium and Spleen/Stomach; if the pulse is excess, add Huanglian (Rhizoma Coptidis) 0.5 qian, Shengdi 1.5 qian, Maidong (Radix Ophiopogonis) 1 qian, and remove Chaihu. If it is a deficiency pattern, add Renshen 1.5 qian, Maidong 1 qian, Wuweizi (Fructus Schisandrae) 0.1 fen, and remove Chaihu. For headache and dry eyes, add Danggui 1 qian, Shudi (Radix Rehmanniae Preparata) 2 qian, Chuanxiong (Rhizoma Chuanxiong) and Bohe (Herba Menthae) each 1 qian. For palpitations and restlessness: if excess, add Shengdi and Maidong each 1 qian, Huanglian 0.5 qian; if deficiency, add Zaoren (Semen Ziziphi Spinosae) 2 qian, Shengdi 1.5 qian, Renshen and Maidong each 1 qian, Danggui 0.5 qian, and reduce Chaihu by 0.5 qian. For red eyes and dry mouth: if excess, add Shengdi 1.5 qian, Maidong 1 qian, Baishao 0.5 qian, Huanglian 0.5 qian, Gange Fen (Flos Kudzu Root Powder) 1 qian; if deficiency, add Shudi 3 qian, Maidong 1.5 qian, Renshen 1 qian, Wuweizi 0.2 fen, Danggui and Baishao each 0.5 qian, and reduce Chaihu by 0.5 qian. For irregular menstruation and abdominal pain: if excess, add Shanzha (Fructus Crataegi) 3 qian, Yanhusuo (Rhizoma Corydalis) 2 qian, Sugeng (Caulis Perillae) and Danggui each 1 qian; if deficiency, add Shudi 3 qian, Danggui and Chuanxiong each 1 qian, Baishao 0.5 qian, Renshen and Yanhusuo each 1.5 qian, reduce Chaihu by 0.5 qian, and remove Shanzhi. For heaviness/bearing down in the lower abdomen and painful/difficult urination: if excess, add Zexie (Rhizoma Alismatis), Zhuling (Poria), Cheqian (Semen Plantaginis) each 1 qian, Shengdi and Maidong each 1.5 qian, Huanglian 0.5 qian; if deficiency, add Shudi 2 qian, Danggui, Baishao, Rougui (Cortex Cinnamomi) each 0.5 qian, Renshen and Huangqi (Radix Astragali) each 1 qian, Shengma (Rhizoma Cimicifugae) 0.3 fen, reduce Chaihu by 0.5 qian, and remove Danpi and Shanzhi. Uterine prolapse is due to deficiency Qi of the Liver channel carrying damp-heat sinking downward. In this case, add to the base formula: Renshen 1 qian, Huangqi 1.5 qian, Baizhu 2 qian, Fangfeng (Radix Saposhnikoviae), Danggui, Baishao, Fuling (Poria), Danpi each 0.5 qian, Shengma 0.3 fen. Other symptoms such as swelling and thirst are due to excessive damp-heat sinking with Qi; add Fangfeng, Cheqian, Duzhong (Cortex Eucommiae) each 1 qian, Jinyinhua (Flos Lonicerae) 3 qian, Huanglian, Danggui, Baishao, Fuling, Baizhu, Danpi, Shanzhi each 0.5 qian.