Pregnant women can prevent avoiding the tearing of pubic lateral incision by some stretching exercises before delivery, the main exercises include sitting in cross-legged position, cross-legged stretching, and contraction exercises of pelvic floor muscles. 1. Cross-legged sitting: Prepare a yoga mat, try to keep your back straight, keep it for 3-10 minutes, and insist on 2-3 times a day. 2. Cross-legged stretching: sit down with your back against the wall, bend your legs and keep your heels facing each other, try to keep your knees close to the ground, and use your hands to gently press your knees to assist you in downward movement and improve the flexibility of your body. 3. The contraction and relaxation of the pelvic floor muscles: the preliminary stage can be done 3-4 times a day, gradually increase the number of exercises, each time to do about 10 back and forth, repeated subconsciously every day. Lateral cuts and tears sometimes cannot be avoided through exercise. It is recommended to relax your mind and focus on the health of the mother and fetus.