The smell of milk on the body may be related to their own body odor, breast milk flavor, poor personal hygiene, fox odor and other conditions. 1. own body odor: everyone’s body will have a unique body odor, need to consider is body odor, belong to the normal physiological phenomenon. 2. Milk flavor: If you happen to be in the breastfeeding period, there may be milk secretion and milk overflow phenomenon, when the milk overflow in the underwear or on the skin, there may be a milky odor. 3. Poor personal hygiene: If the patient does not pay attention to personal hygiene, underwear has not been washed for a long time, or not bathed for a long time, may lead to odor. 4. Fox odor: If the milky odor is more pungent, and there is no relief after bathing and changing clothes, you need to consider fox odor. As there are many causes, it is recommended that the patient consult a doctor in time to clarify the cause of the disease.