There is no so-called “fast and effective” way to increase breast size, but you can increase breast size through diet, exercise and surgery. 1. Diet: Diet is suitable for women who have been dieting for a long time, resulting in excessively thin body, the fat content of such women’s breasts is relatively low; you can eat more food with high fat content and high protein, such as eggs, pork, beef, milk and other foods, the fat content of the breasts increases, the volume of the breasts will also increase. 2. Increase exercise: usually do some chest expansion exercise, exercise pectoralis major muscle, pectoralis major muscle becomes thick and hard, the chest will look more firm and full. 3. Surgical treatment: If the female breasts are very small, surgical treatment can be carried out if necessary; for example, fat can be extracted from parts of the body with high fat content, and then injected into the breasts with processed fat to achieve the effect of breast augmentation; in addition, it can also be used to improve the breasts through the implantation of prosthetic silicone implants. To summarize, girls with small breasts should consult the doctor in time, according to their own physical condition, and follow the doctor’s advice to choose the right way to increase breast size, and avoid excessive pursuit of the so-called “fast and effective” methods.