Acne on the face of a 10-year-old child may be acne, folliculitis and other diseases. 1. Acne: Acne can be caused by excessive sebum secretion, keratinization of sebaceous gland duct cells in hair follicles, propagation of Propionibacterium acnes, and increase in the level of androgen secretion, etc. Acne occurs on the face, causing pimples and papules on the face. 2. Folliculitis: related to Staphylococcus aureus and other pathogenic bacteria infections, can lead to inflammatory reaction of the hair follicles, causing localized red papules, pimples and other damage. If a 10-year-old child has acne on his face, he should go to the regular hospital in time to find out the cause of the disease, and choose a suitable method of treatment under the guidance of a professional doctor.