Body odor may be fox odor, foot odor, ketoacidosis, gynecological inflammation. 1. Fox odor: the odor is mainly concentrated in the armpits, especially when the armpits sweat body odor is more obvious, more serious in summer. 2. foot odor: odor is mainly concentrated in the feet, may not be enough with the feet cleaning and sanitation efforts, daily shoes are not replaced in a timely manner, in the bacterial secretion, decomposition of local shedding of skin metabolites and the formation of foot odor is more serious, wearing sneakers, leather shoes. 3. Ketoacidosis: ketoacidosis will bring the odor of rotten apples to the body, may be caused by high blood sugar ketoacidosis. 4. gynecological inflammation: vulvovaginal pseudofilament candidiasis, trichomonas vaginitis and other gynecological inflammation, will bring to the body of the stench, fishy smell, especially the private odor is more obvious. Body odor specific causes, need patients to go to the hospital to do a detailed examination to determine.