Too small breasts can be made bigger through medication, dietary adjustments, massage and exercise. 1. Medication: For diseases that cause too small breasts, medication can be used to treat the cause of the disease. For example, anterior pituitary hypopituitarism can be treated with hormones such as thyroid hormone, and pituitary dwarfism can be treated with growth hormone and other drugs. 2. Adjust the diet: you can eat more food rich in vitamin E, vitamin B, such as cabbage, cauliflower, sunflower seed oil, sesame oil, cereals, beans, lean meat and so on. Vitamin E is conducive to promoting ovarian development and perfection, prompting an increase in the number of mature egg cells as well as the luteal cells, and an increase in estrogen secretion to stimulate breast development. 3. Exercise: you can also exercise, such as taking the supine position, two arms side lift, chest, stop for a while, and then drop, each do 20-30 times for a group, divided into two groups to do so. When the chest is too small, you can go to the regular hospital, clear cause, and follow the doctor’s instructions for treatment. Drugs should be applied under the guidance of a doctor.