Winter melon tea will produce many side effects if drunk for a long time, the more common is the cold nature of winter melon tea, easy to cause the spleen and stomach cold, especially likely to lead to diarrhea and some other conditions, food is not easy to digest. For patients who are usually weak and bedridden, taking winter melon tea will lead to increased coldness in the body and weakness of Yang energy. For some men who take winter melon tea for too long, the side effects are reflected in impotence, premature ejaculation, and some conditions such as clear and long urine. For women, the application of winter melon tea can easily lead to dysmenorrhea, and also induce the situation of cold in the uterus. Therefore, winter melon tea is not suitable for everyone, and should be applied under the guidance of a professional and reasonable. For patients who usually have poor spleen and stomach function, gastritis, gastric ulcer, or even serious gastric disease, winter melon tea should not be applied.