The function and efficacy of poria cocos capsule mainly benefit from its main component, poria cocos, which has four major functions: first, it can eliminate edema, help the human body discharge excess water, accelerate the metabolism of the body, promote urination, and alleviate edema caused by various reasons; The second is to soothe the nerves and help sleep, which is suitable for people who have insomnia, dreams and are often upset. The third is to strengthen the spleen and stomach, which is suitable for people with poor appetite and loss of appetite in summer and has the effect of promoting appetite. There are various brands of Poria cocos capsules on the market now, but the functions and curative effects of these Poria cocos capsules are similar, except that some other Chinese medicinal ingredients such as Paeonia lactiflora, Lily, Radix Asparagi, Ramulus Cinnamomi, etc. are added to cooperate with Poria cocos to exert their efficacy. But we should also pay attention to some people who are weak, qi deficiency or cold. It is best not to take it, which may aggravate the condition. Everything should follow the doctor's advice.