Fox odor is a disease with hereditary nature. Fox odor is mainly due to abnormal secretion of sweat glands in the armpits, and the secretion of sweat and bacteria interact to produce an unpleasant odor to form fox odor, and as each organ of the child develops, the sweat glands are also developing. Many children wear clothes that are not breathable, which can affect the volatilization of sweat, and not cleaning in time or not cleaning when bathing can also lead to the growth of bacteria under the armpits. The affected children should usually pay more attention to personal hygiene, bathing should also be thoroughly cleaned armpits, if it is hereditary fox odor, parents can take their children to the hospital for examination and take the surgical treatment method. Fox odor is now a phenomenon that many people have, parents should not worry excessively, usually pay attention to the child’s diet, do not eat irritating food, less exercise to keep the skin of the armpit dry, frequent bathing and diligent change of clothes, can effectively avoid the situation of fox odor.