Yumen, or the perineum point, is located at the midpoint of the line connecting the root of the scrotum and the anus in men, and the midpoint of the line connecting the posterior union of the labia majora and the anus in women. The perineum is the convergence point of the Ren, Duchen, and Chong Chakras, and has the function of regulating the meridian qi of the Ren, Chong, and Duchen Chakras. The perineum point is suitable for prostatitis, prostate hypertrophy, dysmenorrhea, uterine prolapse, rectal prolapse, pubic itching, and delirium. Female vulvar eczema, anal fistula, gonorrhea, syphilis, etc. are its clinical contraindications. Yumen point is one of the private points of the human body and is rarely used clinically. In the clinic, it is recommended that the selection of points and needling should be carried out by a professional doctor, do not operate on your own, otherwise the condition will be delayed, resulting in serious consequences.