Stretch marks are caused by fiber breaks after the abdomen swells during pregnancy, and some stretch marks protrude from the skin surface. During pregnancy, with the continuous growth and development of the fetus, the pregnant woman’s abdomen will gradually bulge, the abdominal skin and subcutaneous tissue is gradually stretched, elastic fiber fracture, which can lead to stretch marks, the shape of the stretch marks can be individual differences, some pregnant women’s stretch marks can be manifested as a bulge, which is a normal manifestation, do not have to be special treatment. If necessary, fractional laser, gold microneedle can be used to help alleviate. When maternal discomfort occurs, you should seek medical attention as soon as possible to clarify the cause of the disease, if necessary, timely treatment, so as not to lead to adverse pregnancy outcomes.