As early as the Renaissance, the female breast was given a profound connotation – life, youth, love and power. The breast is the female lactation organ and the second female sexual characteristic. Well-developed and full breasts give a woman’s body a beautiful curve. However, among women in China, small breast deformities and flat breasts are quite common due to various reasons, which bring unnecessary pain in social life. Therefore, breast augmentation surgery is becoming one of the most common surgeries for women. Breast augmentation indications: Anyone over 18 years old, with completed physical development, except for psychological disorders or serious physical organ pathologies that are not suitable for surgery, the following cases are suitable: 1, congenital mammary gland underdevelopment, into small breast deformity. 2.Atrophy of breast tissue after endocrine disorders caused by childbirth and sterilization. 3.Mild breast sagging. 4.Congenital sagging of the breast. 5.Congenital bilateral breast asymmetry. 6.Congenital breast deformity, such as Poland syndrome, etc. 7.Breast deficiency after breast surgery. Pre-operative preparation for breast augmentation surgery: 1, comprehensive physical examination and laboratory tests, no serious medical diseases and local infection foci. 2, one month before surgery should stop taking contraceptives, estrogen and other drugs, aspirin and other drugs that are likely to cause trauma bleeding. 3.The menstrual cycle should be avoided at the time of surgery. 4, according to the patient’s own conditions and requirements to decide the type and size of breast implants; implant matrix is generally 10-12 cm, volume 175-350 ml. after full communication with the patient to decide the level of surgical incision and implantation of the implant. The incision can be chosen from: (1) axillary incision: (2) inframammary fold incision; (3) periareolar incision; the implant can be placed behind the pectoralis major muscle or mammary gland.