According to Baidu Health, under normal circumstances, tofu belongs to a kind of hair. Hair generally refers to nutritious and irritating food, which is easy to induce or aggravate diseases. Try to avoid eating tofu during illness. Tofu has a high content of protein, which is difficult to digest after eating, such as patients with arteriosclerosis, patients with renal diseases and patients with gastrointestinal diseases. After eating, it may aggravate the condition, cause diarrhea, abdominal pain, indigestion and other phenomena, and have a serious impact on health. Tofu is a common bean food, which contains a lot of nutrients, such as protein, vitamins, iron, zinc, calcium and magnesium. It can supplement nutrition to the body and improve the body's resistance and antiviral ability. Bean curd also contains soybean isoflavones, which has the function of two-way regulation, can improve the estrogen balance in women and relieve the physical symptoms caused by menopause. Secondly, lecithin in tofu can also reduce the content of cholesterol in blood and play an auxiliary preventive role in cardiovascular and cerebrovascular diseases.