As a common soybean product in daily life, soy milk is rich in protein, vitamins, phospholipids, iron, zinc and other nutrients, and is beneficial to the body when consumed in moderation. However, no matter what food is consumed, it should be consumed in moderation, and soy milk is no exception. Excessive consumption is not beneficial to the body, and not everyone is suitable for drinking soy milk, and some people may suffer from discomfort after drinking it. The phytoestrogens contained in soy milk have a two-way regulatory effect, not only replenishing estrogen when the body is short of estrogen, but also inhibiting estrogen secretion when the body’s own estrogen secretion is too high, thus having a certain regulatory effect on the endocrine system. However, if excessive consumption of soy milk, that is, soy milk drink too much, there are still some bad effects on the body. Many people will add a lot of sugar when drinking soy milk, long-term excessive consumption of sugar-sweetened soy milk may lead to increased blood sugar, especially for diabetic patients, which may lead to acute complications or chronic complications. Soy milk is rich in protein, and for patients with abnormal kidney function, excessive consumption of soy milk may increase the burden on the kidneys and cause further damage to kidney function. In addition, soy milk is a gas-producing food, and excessive consumption by patients with poor gastrointestinal function may cause or aggravate gastrointestinal discomfort, such as abdominal distension, abdominal pain, belching, vomiting, etc. Patients who are allergic to vegetable proteins should not drink soy milk, which may trigger allergic reactions, resulting in breathing difficulties, skin erythema, pimples, itching and other symptoms.