Mume, green plum, cassia seed, etc. It has a laxative effect, so eating this kind of "leisure fruit" may cause diarrhea and other phenomena, thus achieving the effect of "excreting feces to lose weight" as advertised. However, cassia seed, dark plum and other traditional Chinese medicines have certain toxicity, especially dark plum, which contains a strong purgative effect, similar to senna leaves, and are all laxatives. If people who are weak and afraid of cold eat something containing these ingredients, it is likely to cause abdominal pain, diarrhea and other symptoms, and it is not easy to eat.