Defecation after a tear, generally there will be caused by wound pain, wound reopening and the risk of infection, in order to avoid the above risks, maternal defecation need to pay attention to overcoming psychological pressure, the use of the toilet, maintain good defecation habits, and actively prevent infections, etc. 1, to overcome the psychological pressure: due to the wound tear, there may be pain when defecating, then you should overcome the fear of enduring the pain of defecation, or else often refused to defecate patiently, easily lead to constipation; 2, the use of the toilet: after the tear, it is best to choose the toilet, not the squatting toilet. 2, the use of a toilet: the best choice for defecation after a laceration is to sit on the toilet, not squatting. Squatting is likely to cause pain in the wound, and in serious cases, it will also lead to poor wound healing and the risk of reoccurring wound dehiscence. 3. Maintain good bowel habits: defecate 1-2 times a day, and do not exert too much force when defecating. If there is dry stool, difficult to defecate and other phenomena, you can use the appropriate amount of corkscrew, to help soften the stool, promote defecation; 4, actively prevent infection: every time after the stool should pay attention to wash the vulva, keep the vulva clean, avoid stool pollution tear wound. Use potassium permanganate sitz bath to prevent wound infection. When the laceration is serious, it needs to be sutured, and especially serious needs to be repaired. Normally, you can massage your abdomen more often to promote bowel movement and relieve constipation. Develop good eating habits, try to choose easy to digest diet, such as millet porridge, egg custard, fish soup, etc., do not eat too much meat, to avoid causing dry stools. Drink more water to increase the water in the intestines and keep the stools loose and soft to avoid greater pressure on the perineum during defecation.