The maintenance time of breast enhancement of Meilai prosthesis mainly depends on the quality of prosthesis itself. If it is a domestic prosthesis, it needs to be replaced in about 10 years. If it is an imported prosthesis, it is necessary to check all aspects of the breast and prosthesis every year from ten years to monitor the state of the prosthesis, but it is not necessary to replace it. In addition, some people breast-feed after implanting the prosthesis, which may lead to breast changes. At this time, the breast shape can be adjusted, but it has no effect on the prosthesis itself. Therefore, if it is a high-quality prosthesis, it can be carried for life without replacement.