Acne is mainly caused by excessive secretion of androgen in adolescence, which will gradually disappear after puberty.

Don't squeeze the acne on your nose, because after squeezing by hand, the fat particles in the acne will be squeezed out, which will leave a scar on your nose.

If acne is a secondary infection, it usually turns red, swollen, feverish and painful. Swelling acne can be coated with erythromycin ointment or mupirocin ointment, but people who are allergic to penicillin should not use mupirocin ointment, and can be treated with oral anti-inflammatory drugs at the same time. If the acne site is seriously infected with systemic symptoms, such as fever and headache, antibiotics should be used for infusion treatment.

After acne grows, you can use sulfur soap to clean your skin, because sulfur soap is alkaline and skin oil is acidic, and alkaline sulfur soap will neutralize acidic oil. It can clean the skin.

Where there is acne, you can apply acne cream. The acne will gradually disappear after application.