In late pregnancy, with the gradual increase in placental secretion of relaxin, there will be pelvic floor muscle ligament joint relaxation, and in severe cases, there will be separation of the pubic symphysis, resulting in pain and restricted movement. First of all, we should pay attention to more rest, avoid sedentary or exercise, you can get more sunshine to promote calcium absorption. Eat more carrots, onions, black fungus, fresh milk, lean meat and other protein-rich foods to improve the body’s immunity. Sleeping on the left side, regular turning and hot compresses above the pubic symphysis are also helpful to relieve pain. For postpartum pubic symphysis pain can choose pelvic orthopedic belt correction.