Cohesive gel implants are currently popular worldwide, and provide patients with their desire aesthetic outcome and improve the fault of old type silicone implant. However, the use of cohesive gel implants impose a heavy burden on patients because of the cost about implant itself and evaluation for leakage of implant. In addition, there is no long-term follow up result about the new implants. To overcome these problems, surgeons adhere to the approved implant's indication and contraindication, and increase patient's comprehension about augmentation mammaplasty with cohesive gel implants through preoperative sufficient consultation. Physicians must know well about surgical techniques which reflect characteristics of cohesive gel implant in operation. After operation, physicians record the size and serial number of implants. Perfect enforcement of these serial process produces aesthetic satisfactory result without complications.