Cassia seeds in water can usually take 10~15g cassia seeds in a cup, and then add boiling water to drink. As a kind of Chinese medicine, cassia seeds have the effect of clearing away heat and brightening the eyes, moisturizing and laxative effect, clinically used in the treatment of eye redness and swelling pain, intestinal dryness and constipation and other diseases. In daily life, the crowd can use cassia seeds tea drink drinking water, usually take 10 to 15g cassia seeds into a cup, and add 100 ℃ boiling water brewing 5 to 10 minutes to drink. It is worth noting that the efficacy of cassia seed tea is not as good as cassia seed in soup. For people with loose stools (thin and unformed feces), it is not advisable to use cassia seeds in water or in medicines to avoid aggravating the condition. It is recommended that people replace cassia seeds with water every day, and be careful not to drink strong tea or overnight tea. For those who are sick, they should follow the doctor’s instructions to identify and treat the disease, and should not use cassia seeds indiscriminately on their own.