Pimples are smothered inside the skin and can be dealt with through needle clearing, acid resurfacing, and medication. 1. Needle clearing: pimples smothered in the skin is often referred to as long closed mouth acne, you can open the pores through the way of needle clearing, and then the secretions inside the outward discharge, so as to achieve the effect of cleaning. 2. Fruit acid skin resurfacing: this way can promote the exfoliation of the stratum corneum, promote the metabolism of the skin, but also can further remove acne, blackheads and other substances. 3. Medication: This group of people can also be treated through the use of medications such as Vita-acid ointment, Adapalene ointment, etc. The medications need to be applied under the advice of a doctor. No matter which way of treatment is used, you need to go to a regular hospital for treatment.