You can drink soymilk to lose weight, but soymilk does not have a direct weight loss effect. Soybean milk calories are not high, light soybean milk per 100 ml contains about 16 calories, thick soybean milk per 100 ml contains about 40 calories. Soybean milk is rich in protein, thick soybean milk protein content of up to 3-5%, compared with carbohydrates, protein satiety is relatively strong, in the dietary management of weight loss, by reducing the intake of carbohydrates, an appropriate increase in the intake of protein, appetite control, weight loss is helpful. It should be noted that, although soybean milk can be drunk when losing weight, but in itself does not have a direct weight loss effect, simply rely on drinking soybean milk to lose weight is unrealistic, but also need to be in the overall management of diet and lifestyle, exercise, in order to achieve better weight loss results.