Children with underarm odor, if caused by poor hygiene habits, should pay attention to clean, if caused by fox odor, can be general treatment, drug treatment, surgical treatment and so on. If the child usually sweats a lot in the armpits and does not pay attention to hygiene, the sweat is easy to produce odor under the action of microorganisms. Usually, attention should be paid to keep the armpits clean and hygienic, change clothes frequently, etc.. In addition, if the presence of fox odor, there will be the phenomenon of armpit odor. When the odor is mild, it can be relieved by keeping the armpits clean and dry, or by using sweat suppressants such as aluminum chloride solution. If the odor is pronounced, surgery can be performed when the child reaches adulthood to remove the corresponding sweat glands. If the child’s underarm odor is obvious, go to the hospital in time, use the above drugs should follow the doctor’s advice.