Blackhead acne can be treated with physical therapy, topical medication as prescribed by the doctor, and laser. 1. Physical therapy: use acne needles to scrape off pimples, this method has obvious disadvantages, after scraping will leave more obvious red marks, if more pimples, the marks are more dense, affecting the aesthetic. 2. Topical medication: If the number of blackheads and pimples is relatively small and light, you can use topical medication such as adapalene gel or isotretinoin gel under the advice of a doctor to promote keratolysis and allow blackheads and pimples to be discharged. 3. Laser treatment: blackheads and pimples are more stubborn, the effect of topical medicine is not good, you can also go to the hospital dermatology department for laser treatment. It can improve blackheads and pimples while tightening the skin at the same time. If there are more blackheads and pimples, it is recommended to go to a regular hospital dermatology department for treatment. In your daily life, you should pay attention to go to bed early and get up early, and avoid squeezing blackheads and pimples with your hands to avoid infection.