Cassia seeds can be directly brewed with boiling water to drink tea. Choose to have been fried and processed, full of particles of cassia seeds, each time you can take 9 ~ 15g cassia seeds into a cup, pour just boiled boiling water and cover the lid, about 10 ~ 15min after the color of the tea from yellowish gradually deepened, and there is a fragrance overflow, you can drink, in the tea left one-third, and again add the right amount of boiling water to repeat brewing and drinking. Cassia seeds are mature seeds used in medicine, slightly cold in nature, with the effect of clearing heat and brightening the eyes (removing heat from the body, promoting vision recovery), laxative effect. Because cassia seeds have a certain cold nature, should be careful not to use in large quantities, the daily dosage should not be more than 30 g. In addition, the spleen and stomach cold (spleen and stomach weak cold) people need to drink with caution, or else it is easy to lead to diarrhea, aggravate the situation of spleen and stomach cold. Cassia seed tea has limited efficacy, and the use of only a single drug to treat the disease is usually ineffective, so you can not rely on cassia seeds alone to treat the disease. If the body has uncomfortable symptoms, should be timely medical treatment, so as not to delay the treatment.