Pimples on the head may be caused by folliculitis, flat warts and other causes, need to improve the relevant examination, clear diagnosis and targeted removal. 1. Folliculitis: If the pimple is red and has a white pus head at the top, it may be folliculitis, which is usually caused by bacterial infection due to excessive secretion of sebaceous glands, you can use mupirocin cream to apply locally for treatment, and at the same time, take doxycycline or minocycline and other drugs orally. There may be skin irritation and other adverse reactions, and allergy sufferers should be cautious. 2. flat warts: if the pimples are flat and raised and no pain and itching, then it may be infected with viruses caused by flat warts, you need to go to the hospital in time to do laser or freezing method to remove, you can also apply recombinant human interferon gel to prevent flat warts recurrence. The head of the acne need to go to the hospital interview, in the diagnosis of which disease to do treatment, follow the doctor’s instructions to take, to avoid unauthorized use of drugs.