There are many reasons for small white pustules on the face, such as folliculitis and acne. 1. Folliculitis: small white pustules on the face may belong to the purulent infection of the follicular opening, mainly due to the inflammation caused by infection with Staphylococcus aureus and so on, so there will be small white pustules on the face. 2. Acne: It is related to the reproduction of Propionibacterium acnes, excessive secretion of sebaceous glands, and keratinization of follicular sebaceous gland ducts. It can lead to the appearance of pimples, inflammatory papules, pustular herpes and nodules, cysts and other lesions on the face, which can cause small white pus spots on the face. There are many reasons for small white pustules on the face, and it is recommended to go to the hospital in time to improve the examination and take standardized treatment according to the doctor’s instructions, so as not to ignore the symptoms and take them lightly.