There will be side effects, just pay attention. People who are slightly cold and prone to diarrhea, diarrhea and stomachache should not drink this tea. It should be noted that people with diarrhea and hypotension should use cassia seed preparation with caution. The side effects of laxatives must attract the attention of pregnant women. The latest research found that long-term light drinking will lead to irregular menstruation and even abnormal endometrium, thus inducing premature delivery. If it seems from books or others that cassia seed is used to treat myopia, then you are all wet. Cassia seed does have the effect of clearing the liver and improving eyesight, so it is more suitable for people with heavy liver fire or heavy heat image, and definitely not suitable for people with inconspicuous heat image and loose stools. There are many eyesight-improving drugs in traditional Chinese medicine, such as Plantago asiatica, Lycium barbarum, Dendrobium nobile, sericulture seed, mother of pearl, chrysanthemum, cicada slough, concha Haliotidis and so on. Specific medication should be combined with TCM syndrome differentiation, which is the biggest difference between TCM and western medicine. The biggest side effect of Semen Cassiae (Semen Cassiae) may be defecation, and generally there will be no other problems, but it is not suitable for patients with qi deficiency and loose stool. This medicine does have a good weight loss effect, and it can also be matched with raw hawthorn to enhance the weight loss effect.