The reasons why the body is prone to oil odor include physiological factors and seborrheic dermatitis, armpit odor, hyperlipidemia and other disease factors, the treatment of disease factors include drug treatment and surgical treatment. 1. Physiological factors: due to the hot weather, the oil secretion increases, after sweating more can appear the phenomenon that the body is easy to get oily and have a bad smell, this is a physiological phenomenon, timely cleaning of the skin can be done, no special treatment is needed. 2. seborrheic dermatitis: when a variety of factors lead to increased oil secretion clogging the pores, the body can appear easy to oil odor symptoms, need to keep the skin clean, you can give vitamin B and other medications. 3. Armpit odor: because the sweat glands in the armpits secrete too much sweat, odor can occur at this time, can be treated by surgery such as sweat gland excision. The phenomenon that the body is prone to oil and odor, please consult a doctor in time, all of the above drugs please follow the doctor’s instructions.