Breast reconstruction surgery can alleviate patients’ fear of losing their breasts before mastectomy and make them receptive to surgery. After surgery, it can restore the appearance of their breasts, improve their body image, improve the inconvenience of their lives, and alleviate the trauma caused by breast cancer. What is breast reconstruction? After a malignant tumor is found in the breast and the breast is removed through surgery, a new breast shape is created through artificial materials, autologous tissues, etc. at the same time or after a period of time after the breast is removed. Why is breast reconstruction necessary? The fact is that a breast cancer patient not only has to face the threat of cancer, but also has to bear the fear of losing her femininity alone. Most of her loved ones are only concerned about her life, ignoring the seemingly “superficial” but traumatizing issues. In fact, for women, the loss of a breast can be more emotionally devastating than physically traumatizing. There have been cases of patients committing suicide because of the loss of their breasts, and there have been cases of patients refusing basic mastectomies because they do not want to live with their physical disabilities. In this way, patients who request breast reconstruction can be treated with peace of mind without losing their female sexuality after treatment. They can “wear clothes more freely”, “feel more balanced”, “feel like a complete woman”, “improve their marriage life”, etc. “etc. Breast reconstruction includes immediate reconstruction and delayed reconstruction. Immediate reconstruction is generally better than deferred reconstruction, with a more natural shape and a more beautiful appearance. For patients who undergo immediate reconstruction, radical breast cancer treatment and breast reconstruction are completed at one time, which reduces patients’ anesthesia, number of surgeries and hospitalization time, and to a certain extent, reduces the risk of surgery and the cost of treatment. Secondly, patients do not have to go through the long time of losing their breasts, nor do they have to suffer from great psychological pain and pressure. Currently in Europe and the United States, most breast reconstruction is performed immediately after mastectomy. In the status quo of our country, most people are still worried that immediate breast reconstruction will affect the treatment effect of breast cancer leading to recurrence of the disease. But the fact is that it won’t, because breast cancer surgery before breast reconstruction is exactly the same as the original. It takes some time and scientific knowledge to understand this. Currently, there are quite a number of ways to reconstruct the breast and the techniques are becoming more and more sophisticated. However, the principle remains the same: the tumor cells should be completely removed first, and then the type of reconstructive surgery should be decided based on the laxity and thickness of the remaining skin on the breast, the structural condition of the pectoral and adductor muscles, the shape and size of the opposite breast, the availability of tissue for transplantation, and the advantages and disadvantages of the excision. Of course, these plans are not complete until they have been carefully evaluated by breast specialists and plastic surgeons and meet the patient’s needs. If the excision is not extensive and there is enough skin muscle available. Then, the breast is placed with a tissue expander for a period of time before breast implants are placed. Advantages are easier surgery and shorter recovery period; disadvantages include the possibility of contracture of the peritoneum, deformation, infection, etc. But the biggest criticism is that the shape is still quite far from the natural breast. If there is not enough tissue left in the breast, specific tissues from other parts of the body must be transferred to the breast. These tissues can be obtained from the back, abdomen, buttocks and lower back where fat or muscle is well developed. The most commonly used flaps are the latissimus dorsi muscle flap + prosthesis, the transverse rectus abdominis muscle flap, and the inferior abdominal wall artery perforator flap. If you or a relative or friend around you has breast cancer, please popularize the above knowledge first and then help her make a right choice.