How many doses of rhubarb can defecate, can not be generalized, and personal constitution, the severity of the disease, etc., the condition of light, a small amount of food can be taken; the condition of heavy, need to increase the dose, the specific dosage, please follow the doctor’s instructions. Rhubarb, bitter in taste and cold in nature, belonging to spleen, stomach, large intestine, liver and pericardium meridians, has the efficacy of diarrhea, clearing heat and fire, cooling blood and detoxicating, expelling blood stasis and clearing menstruation, inducing dampness and eliminating yellowish coloration and is used in treating constipation due to actual heat accumulation and stagnation, epistaxis due to blood-heat, redness in the eyes and swelling in the pharynx, and menstrual occlusion due to stagnation and blood stasis. Caution should be exercised during pregnancy, menstruation and lactation. The Pharmacopoeia states that the common dosage of rhubarb is 3 to 15 grams, and the specific dosage of the drug is affected by a variety of factors such as personal constitution and the severity of the individual’s condition. For those with mild conditions, a small amount can be taken; for those with more severe conditions, with a better body constitution and under the premise of using the right medication for the right case, the dosage can be increased; and for those with more severe conditions, with a poorer body constitution, the dosage can be increased appropriately. Note that its use in diarrhea should not be decocted for a long time. As rhubarb is cold in nature, it is not recommended to be used alone for patients with spleen and stomach deficiency and kidney yang deficiency. In addition, it is not recommended to use Rhubarb alone for laxative purposes to avoid injuring one’s own vital energy. If there are corresponding indications, please consult a doctor and use the medicine under the doctor’s guidance.