Stretch marks are a kind of abdominal skin expansion lines occurring during pregnancy, which are related to excessive skin pulling, endocrine levels and genetic factors, and generally do not require treatment. If the stretch marks are obviously affecting the aesthetic appearance, stretch marks can be repaired through general treatment, laser and surgical treatment. 1. General treatment: After giving birth, you can apply olive oil to the parts with stretch marks to lighten the stretch marks, and appropriate exercise and postnatal rehabilitation exercises are also beneficial to the recovery of abdominal skin tension, which plays a certain role in repairing the stretch marks. 2. Laser treatment: It mainly adopts a unique laser irradiation method to destroy the blood vessels under the skin that cause stretch marks to appear, so as to alleviate or eliminate stretch marks, but it may take more than one course of treatment to see the results. 3. Surgery: For those with obvious stretch marks, such as those on the abdomen that appear as folds and sagging, it is recommended to choose abdominal wall surgery under the guidance of a doctor, but there is a risk of scarring, so it should be chosen with caution. Stretch marks are a physiological change unique to pregnancy, and stretch marks can also be avoided during pregnancy by applying a cream that lightens stretch marks.