Pimples, usually referred to as acne, may leave behind pimple marks after some of the pimples subside, usually in the form of red pimple marks and black pimple marks. There are many ways to remove pimples and acne marks on the back, including medication, surgery, and phototherapy. 1. Acne: After eliminating the relevant contraindications, you can follow the doctor’s instructions to use topical vasic acid cream, adapalene gel and other drugs, or oral isotretinoin, minocycline, doxycycline and other drugs in serious cases, red and blue light, photorejuvenation and other photoelectric treatment for acne can also have a certain degree of improvement. 2. Red acne marks: usually caused by local inflammation resulting in capillary dilatation, can be relieved by topical pimecrolimus, tacrolimus cream, etc., and in severe cases, dye laser treatment can be considered. 3. Black acne marks: usually due to post-inflammatory hyperpigmentation, which can be relieved by topical niacinamide cream, arbutin cream and other medications, and photorejuvenation and other photoelectric treatments can also have some improvement. Regardless of the choice of treatment, you need to go to the hospital in a timely manner, under the guidance of a professional doctor to take treatment, not private treatment, so as not to lead to adverse consequences.