Cassia seeds can be eaten, the general use of water decoction. Cassia is a kind of Chinese medicine, taste sweet, salty, bitter, cold, non-toxic, into the liver, large intestine meridian, with laxative, clearing heat and clearing the eyes, clinically often used with other medicinal herbs, together with the treatment of constipation, headache, red eyes and eyesight, so cassia can be eaten, the general use of decoction, can effectively play the efficacy of the drug. When applying cassia seeds to treat diseases, patients need to pay attention to a light diet, avoid eating fat, sweet, spicy and other stimulating foods, spleen and stomach cold, qi deficiency and loose stools (feces thin and not shaped) should not be used. When the patient has the need to use the drug, must be under the guidance of a professional physician, not blindly use the drug, so as not to lead to adverse consequences.