Chronic nephritis belongs to the category of edema in Chinese medicine, which can be divided into two types of evidence: Yang water and Yin water. 1. Yang water (1) Wind-water (sudden oedema of head, face and limbs) and water: Swelling of eyelids and lower limbs is the main symptom, accompanied by symptoms such as chills (fear of cold), fever, and limb soreness, etc. The treatment is based on dispersing wind and clearing away heat, and promoting lungs to move the water, which can be treated by Yue maidservant and Jiajutsu Soup. (2) Dampness and toxic infiltration certificate: swelling of the whole body is the main symptom, with urination, skin ulceration and other symptoms, the treatment is to promote lung detoxification, diuresis of dampness to eliminate swelling, and can be selected as ephedra, forsythia and red bean soup with subtraction treatment. (3) Dampness-heat congestion (excessive dampness-heat evil, stagnation in the body) certificate: swelling all over the body, chest and epigastric congestion as the main symptom, accompanied by irritable heat (irritability and sultriness), thirst, urination (urine quantity is small, color is deep yellow) and other symptoms, the treatment is based on the clearing of dampness-heat, and can be selected to sparse chisel drink with subtractions for the treatment. 2. Yin water (1) Spleen yang deficiency (deficiency of yang qi in the spleen): mainly swelling, with abdominal distension, fatigue (mental exhaustion, physical weakness), etc. The treatment is mainly to strengthen the spleen, warm the yang and promote water circulation, and can be treated with the Solid Spleen Drink. (2) Kidney yang deficiency (deficiency of yang qi in the kidneys): edema of the lower limbs and low urine output are the main symptoms, together with cold limbs, palpitations (rapid heartbeat, often accompanied by panic) and chest tightness, etc. The treatment is based on warming the kidneys to help yang (warming and replenishing the yang qi of the kidneys) and transforming qi to move water (promoting the operation of gases to promote the movement of fluid), and Zhenwu Tang with additions and subtractions is the treatment of choice. All of the above Chinese medicines should be used correctly under the guidance of a professional Chinese medicine practitioner.