Cassia seeds are very simple to drink, the main thing is to smother cassia seeds with boiling water. The specific brewing method of cassia seeds is to take about 6-15g of cassia seeds and put them into a tea cup. Take more than 95 ℃ boiling water, smother cassia seeds, about 15 minutes, you can drink. Cassia seeds taste sweet, salty, bitter, slightly cold in nature. It has the effect of clearing the liver and brightening the eyes (clearing liver fire to promote vision recovery), moistening the intestines and relaxing the bowels, and is often used in the treatment of eye redness and astringent pain, headache and dizziness, shyness and tearfulness (the eyes are afraid of the light, and often tearful), and intestinal dryness and constipation, etc. The adverse effects of cassia seeds have not been clarified. The adverse effects of cassia seeds have not been clarified, and should be taken with caution for people with cold spleen and stomach (spleen and stomach weakness and cold) and loose stools (thin and unshaped feces). The efficacy of tea drink is limited, not a substitute for medication, if you are not feeling well, it is recommended to go to the hospital in time to avoid delays in the condition.