Body odor can usually be smelled by yourself, and if you can’t smell it, it may just be a matter of habit. Body odor may be sweat, fox odor, lower body odor, etc., not necessarily caused by disease. 1. Sweat: some people sweat more, for example, people who often exercise or do physical labor, do not change clothes and take a shower in time, which will lead to sweaty body odor. 2. Fox odor: mainly due to the body’s sweat gland secretion, excessive sweat production, and by the bacterial decomposition of a special odor. 3. Lower body odor: mostly seen in women, often due to vaginitis, cervicitis and other gynecological diseases, resulting in increased secretions and odor. Usually pay attention to hygiene, bathing, changing clothes, if there is still odor may be caused by disease, we must consult a doctor in time.