Why is perineal tear repair recommended for women after childbirth? This question needs to be determined in each case. If a woman has a normal delivery with no or only mild perineal tears, there is no need for perineal tear repair. If the perineal tear is severe due to obstructed labor, it will have the following three main effects on the body and it is recommended to repair the perineal tear. 1, affect the vaginal folds and the quality of sexual life: after childbirth, the perineal tear is more serious, which reduces the elasticity and stretching force of the vaginal folds and leads to the relaxation of the vaginal wall, which will weaken the sensation when having intercourse with the partner, and naturally affects the quality of sexual life. 2, leading to constipation, incontinence: women’s intimate vagina and the muscles around the anus are very close to each other, if the perineum is torn, the muscles near the anus will be damaged to a certain extent, and the problem will cause constipation or even incontinence. 3, very easy to infect gynecological inflammation: women’s vagina should have self perineal tear, so that the private and external environment contact range becomes larger or widened, external bacteria, foreign bodies are extremely easy to enter the vagina, the chances of gynecological disease will be increased.