Firstly, when endometrial displacement occurs, the endometrial glandular tissue and stroma appear outside the uterine body, this condition is called endometriosis, also known as adenomyosis. Endometriosis can affect any part of the body, including the bladder, kidneys, ureters, mammary glands, thighs, etc., with the most common sites being the uterus, ovaries, and vagina. The primary manifestations of endometriosis include lower abdominal pain and painful menstruation, followed by infertility and pain after sexual intercourse, generally deep dyspareunia. In the presence of endometriosis, these symptoms suggest the need to avoid overexertion and spicy foods in daily life. Once endometriosis occurs, timely treatment is necessary.