Breast augmentation surgery currently has two main practices: the first, medical implants breast augmentation, that is, through the armpits, around the areola or under the breast crease will be put medical implants to the chest, the patient can choose the right size according to the situation, breast augmentation effect is immediately visible. The second method, autologous fat breast augmentation, is to remove the fat from the fat-accumulated parts of the body, such as the buttocks, abdomen, inner thighs, etc., and inject it back into the breasts after centrifugal processing. Both methods are relatively mature procedures, and safety is still relatively high, but any surgery has risks, and the risk common to both procedures is anesthesia accidents, which can be fatal in severe cases. The unique risk of medical breast augmentation is periosteal contracture, while the more unique risk of autologous fat breast augmentation is fat liquefaction, the probability of occurrence of the two risks is generally around 5%, but the patient chooses a regular hospital before the operation, the technology is relatively good doctors, and fully communicate with the doctor, choose the most suitable for their own way of augmentation of the breast, the risk is still relatively low.