If you have pimples on your left cheek, it is usually considered to be related to liver fire, abnormal hair follicle keratinization, microbial infection, endocrine abnormalities and other factors, and the specific analysis is as follows: 1. If the patient has a strong liver fire, it may lead to acne on the left cheek. 2. Abnormal hair follicle keratinization: When the cells in the pores of the left cheek grow abnormally, it may cause the pore space to become narrower and smaller, resulting in the internal oil not being able to drain normally and eventually becoming blocked. 3, microbial infection: If the towel or pillow commonly used by the patient is not cleaned for a long time, a large number of microorganisms such as Propionibacterium acnes and mites may stimulate the hair follicles and the surrounding area, which may lead to inflammation, resulting in red blisters, pustules, etc.; 4, endocrine abnormalities: If the patient stays up late or has a bad diet and causes endocrine abnormalities, the sebaceous glands will In summary, all of the above may lead to acne on the left cheek of the patient, it is recommended that the patient can go to the dermatology department of a regular hospital for relevant consultation to clarify the cause of the disease, and then treat the symptoms.