Because there is no substance in milk to promote breast development, drinking milk before bedtime has no obvious breast enlargement effect for women with mature sexual development. However, for women in youthful development, because milk is rich in protein and calcium, drinking milk before bedtime can promote body development, thus promoting breast development, and from this perspective, there is a certain role of breast enlargement. Sexually mature women can improve through daily conditioning, diet can be appropriate intake of high-quality protein and high-fat food, which helps to convert into fat stored in the body in the breasts, so that the breasts become plump. Also need to pay attention to exercise, can be through fitness exercise muscle, daily wear gathering effect bra, maintain the correct sleeping posture, also can assist massage around the breast, promote blood circulation, in order to achieve the effect of breast enlargement. In addition, if diet and exercise can not achieve the effect of breast enlargement, breast augmentation surgery can be improved by filling silicone or their own fat, etc., to increase the volume of the breast, can make the breast full. However, it should be noted that breast augmentation surgery involves certain risks and not all people are suitable for breast augmentation surgery, so you need to consult the relevant physicians and choose carefully.