Private plastic surgery includes many items, such as labia majora filling, labia minora hypertrophy excision, hymen repair, clitoris plastic surgery, common vaginal tightening and so on, among which vaginal relaxation is a common private plastic surgery item. At present, the incidence of private parts relaxation is high in China, accompanied by anterior and posterior wall bulging, stress urinary incontinence, uterine prolapse, vaginal dryness and other diseases. From the anatomical structure of pelvic floor, there are various tendon tissues around vagina and sphincter around vagina.

Patients with mild to moderate relaxation can be tightened by minimally invasive surgery and personal tightening of 3D biological belt. The principle of operation is to implant regenerated tissue biological belt in the posterior wall of vagina and vulva to strengthen the strength of vaginal sphincter and achieve the purpose of tightening. Patients with severe relaxation can be tightened by traditional surgical resection and suture of posterior wall tissue. For patients with severe relaxation, traditional surgery can be considered to achieve the effect of tightening. Plastic surgery for private parts can beautify private parts, improve the quality of sexual life and reduce or avoid some gynecological diseases.