As the gestational week increases, the fetus gradually increases in size, and there will be a tension stimulation of the muscles in the low back of the pregnant woman, so the pregnant woman will feel sore. The following methods can be used to relieve the pain: Demonstration: Method 1 Left-sided position Left-sided position can relieve the stimulation of the fetus on the muscles of the lower back, and can also improve the blood flow to the uterus, which is also beneficial to the nutritional supply of the fetus; Method 2 Massage of the muscles of the lower back Pregnant women take a sitting position, so that pregnant women can use their own hands or family members to help massage the muscles of the lower back to relieve the stimulation of the fetus on the lower back. Method 3: When walking or sitting for a long time, the pregnant woman can use her hands to drag her abdomen, or use the abdominal belt to rest on her abdomen to relieve the stimulation of the fetus on the waist and back. Special tips: 1, try to straighten the back in daily life to reduce the burden on the back muscles; 2, avoid prolonged standing or walking, pay attention to rest; 3, can be used to roll, knead, massage and other massage techniques to relieve, but do not carry out strong stimulation in the abdomen, lumbosacral.