Soymilk is usually better to drink about 300ml a day. Soymilk is a drink with a very long history in China and has a high nutritional value. Every 100g of soymilk contains 1.8g of protein, 1.1g of carbohydrates, which can provide energy and nutrients for the body. In addition, it also contains calcium 10mg, magnesium 9mg, phosphorus 30mg and other minerals, as well as unsaturated fatty acids, isoflavones, lecithin and other beneficial substances, which can provide a material basis for the body to maintain normal physiological activities. It is generally recommended to drink about 300ml of soymilk per day to replenish the nutrients needed by the body, and it is not recommended to drink too much in order to avoid indigestion. In addition, raw soy milk and uncooked soy milk should not be consumed, so as not to cause nausea, vomiting, diarrhea and other adverse symptoms.