The formation of pregnancy spots may be related to the change of hormone level, and generally it will become lighter or even disappear after giving birth with the decrease of estrogen level, if it cannot disappear, it can be removed by laser. Pregnancy spots occur on both sides of the cheeks and are stubborn chloasma, which affects the appearance. After pregnancy, the pregnancy spots will gradually fade or even disappear with the decrease of estrogen level after giving birth, but most of the people can not disappear completely, and they can be treated by laser in general. Laser treatment for pregnancy spots is to break the pigment particles through different light waves and excrete them through body metabolism, so as to achieve the purpose of removing the spots. It is suggested that if you have pregnancy spots, you can go to the hospital for skin examination after giving birth, do not use drugs to remove spots without authorization, so as not to cause adverse effects, and go out to get good sun protection, and follow the doctor’s advice.