Kegel exercise, also known as perineal contraction exercise, was originally a means to treat and train women with postpartum incontinence. It was named after Arnold Kyle, a doctor in Los Angeles who popularized this training in the 1940s. Kegel exercises are designed to strengthen the pelvic floor muscles, or pubococcygeal muscles. These muscles extend from the back of the pubic bone to the front and surround the vaginal opening and rectum. Strengthening the training of pubic coccyx muscle can promote the function of urethra and anal sphincter and prevent anal incontinence.

For beginners, because muscle strength is very small, it is difficult to feel and master these muscles, so exercise with a small load at this time. Simply put, just like when we go to the gym, we should use light dumbbells to exercise our muscles at first. But we can't always exercise with a small load. Only when the load increases can muscle strength increase. Therefore, with the increase of exercise, the load of equipment will gradually increase. With such a Yin-shrinking exerciser, the effect of Yin-shrinking through exercise is very good. When the practice lasts for about 6 ~ 8 weeks, not only the vaginal muscles will be in a tight state, but also the sensitivity of the vagina will be improved, and both men and women will definitely have a more "sexual" experience in sexual life. For those women who especially want to get the ability of free vaginal contraction, you can try to use a female vaginal constrictor and the like.

In ancient Chinese medical books, such as Compendium of Materia Medica, it is recorded that "in ancient times, there was a grass with three immortals. The root of a woman is to return her girl. " At present, fenugreek is mainly produced in Hokkaido, Japan, and is also called ancient herb in Japan. It is said that fenugreek was inherited from China in ancient times. At present, Trigemma pilosula has been put into production, which has the magical effect of caring for women's lower body and curing all common problems such as relaxation, dryness and blackening of women's lower body.