Making breasts firm can be done with diet, exercise and massage. Diet can be rich in vitamin B and vitamin E foods, such as rapeseed, sesame, liver, beans and milk, which can accelerate the growth hormone metabolism of the ovaries and help increase the size of the breast. You can do more exercises that are good for your breasts, such as chest, abdominal and breast expansion exercises, which can exercise the breast muscles and make your breasts firm and strong, but not strenuous exercises. Massage needs to find the right point, the peri-mammary points for oil massage and hot compresses, long-term persistence will make the breast become firm, you can take the surgery to make the breast become firm, want to make the breast become firm need a multi-pronged approach, if the effect is not good, can take surgery.