Blackheads, also known as blackheads and acne, are mainly associated with excessive local sebum production and hyperkeratosis of the epithelium at the mouth of the hair follicle. Blackheads are a common phenomenon, mainly due to increased local sebaceous gland secretion, hyperkeratosis at the follicular opening, epithelial cell shedding abnormality, prompting sebum can not be discharged and stagnant in the hair follicle. Clinical findings show that blackheads are related to acne, hormonal drugs, bad habits, endocrine disorders, and high temperature environment. Usually, blackheads do not require medical treatment and will not affect the health of the body, and can be regulated through diet, exercise and other ways; when the local skin secondary infection, patients need to seek medical treatment. If blackheads and pimples are more obvious and affect the aesthetics, they can be treated by ultraviolet light therapy, cryotherapy, laser therapy and other ways to inhibit sebaceous gland secretion. It is recommended to pay attention to daily skin care, avoid stimulating the local skin with hands or other foreign objects, and also avoid the use of traditional remedies to prevent scarring, which affects aesthetics.