The causes of temple pimples may be poor dietary or lifestyle habits, abnormal keratinization of follicular sebaceous gland ducts, and excessive sebum secretion. 1. Poor dietary or lifestyle habits: poor dietary habits such as eating fried foods and sweets, and poor lifestyle habits such as overworking, staying up late, and mental stress may lead to temple pimples. 2. Abnormal keratinization of follicular sebaceous gland ducts: If the follicle mouth is over-keratinized, it can block the ducts, which in turn affects the shedding of epithelial cells and sebum elimination, resulting in the formation of pimples. 3. Excessive secretion of sebum: sebaceous glands function exuberantly, can secrete a large amount of oil, easy to block the sebaceous gland ducts leading to acne. There are many reasons for pimples on temples, so it is recommended that this group of people consult a doctor in time to clarify the cause of the disease and standardize the treatment under the guidance of the doctor.