Usually drinking black soybean milk in moderation will not make you fat, but adding too much sugar and consuming too much may cause fat accumulation and lead to obesity. The main composition of black soybean milk is black beans and water, black beans in the fat content of 15.9g/100g, carbohydrate 33.6g/100g, 100 grams of the body can provide 401kcal of energy. In general, it seems to bring the body’s fat content is not a lot, moderate consumption will not cause fat hoarding and obesity. But when consuming black soybean milk add too much sugar, eat too much, and not actively exercise, hoarding too much fat can not be consumed, may cause obesity. Weight watchers can moderate consumption of black soybean milk, pay attention to more exercise, light diet, less salt and oil. Those who are allergic to soybeans should not drink black soybean milk.