The odor in armpits may be related to physiological factors such as poor hygiene habits, or it may be caused by diseases such as halitosis, hyperhidrosis, etc. It is recommended to take general treatment, medication, surgery and other ways to improve the situation. 1. Physiological factors: if the daily hygiene habits are poor, it may cause armpit odor, it is recommended to take a shower, keep the local clean and dry, and improve the bad habits. 2. Fox odor: armpit odor may also be caused by fox odor, patients are advised to pay attention to the body clean. Can follow the doctor’s instructions for external antiperspirant, antiseptic drugs, such as aluminum chloride anhydrous ethanol, urotropin and other drugs, help deodorant, if necessary, can be surgically removed sweat glands. 3. Hyperhidrosis: hyperhidrosis may trigger armpit odor, patients should wear more loose, breathable drugs. Alum solution, formaldehyde solution and other drugs with antiperspirant astringent effect, it is recommended that patients follow the doctor’s instructions for external use. There are many reasons for the armpit odor, in the exclusion of physiological factors, it is recommended that patients seek medical examination, clear causes, with the doctor for standardized treatment.