Fat sea infusion more than 4 hours after the water can still drink. However, it is recommended to drink the fat sea as soon as possible after steeping, because it is easy to breed bacteria after sitting for too long, and the human body can be detrimental to health after drinking. Fat sea belongs to the dry seeds, cold, into the lung, large intestine meridian, has the effect of clearing heat and throat, swelling and pain. It can be used to treat symptoms such as sore throat and hoarseness. In addition, it is also useful for relieving gum swelling and pain, dry mouth and throat, and constipation. Patients can put 2-3 fat sea in 250ml of water, generally about 5 minutes fat sea will expand and spread, drink 2-3 times a day is best. But some people need to pay attention to when drinking, because the fat sea has laxative effect, drinking too much may cause diarrhea. In addition, the spleen and stomach cold people and cold people also need to avoid drinking fat sea, so as not to aggravate the condition.