Cassia seeds can drink about 9~15 grams a day. Cassia seeds are slightly cold in nature, taste salty, bitter, sweet, with clear liver and eyesight (clear liver fire to promote vision recovery), laxative effect, clinically used in the treatment of eye redness and swelling pain, shyness and tears (eyes afraid of light, often tears), headache, dizziness, constipation and other conditions. Cassia seeds a day to drink 9 ~ 10 grams of the most appropriate, the most do not exceed 15 grams. Because cassia seeds nature is slightly cold, drink too much water or long-term drinking easy to cause diarrhea, epigastric (abdominal) distension and pain, women will affect menstruation, menstrual irregularities. At present, the adverse reactions and contraindications of cassia seeds are not clear, need to take to listen to the guidance and advice of doctors, do not blindly take on their own. In addition, for qi deficiency loose stool (feces thin not shaped) is not recommended to take, if there is diarrhea, vomiting, etc. should also be immediately discontinued, go to the hospital.