Pregnant breasts long stretch marks usually can not be cured, can only be improved with medicine or laser, so that stretch marks are not so obvious. 1. Medication: Due to the development of breast tissue and deposition of fatty tissue, the skin thins, which can cause stretch marks. It can be improved by using medicines such as cumquat cream ointment and vitamin E cream under doctor’s guidance, but these medicines may cause adverse reactions such as itching, redness and swelling of the skin. 2. Laser treatment: can use the local thermal effect, stimulate subcutaneous collagen fiber regeneration and reconstruction, can play a role in fading stretch marks. Pregnant chest long stretch marks phenomenon is recommended to improve under the guidance of a doctor, do not self-medication, so as not to affect the health of the body.