Having armpit odor at the age of 35 may be related to genetic factors, external factors, etc., and should be promptly consulted and treated accordingly by a doctor if necessary. 1. Genetic factors: axillary odor is related to heredity, and 35-year-old patients with axillary odor have a higher risk of developing the disease if they have a family history. 2. External factors: high temperature and stress can lead to increased secretions from the sweat glands in the armpits, which are decomposed by bacteria to produce short-chain fatty acids and ammonia, resulting in a foul odor. In addition, the consumption of garlic and other irritating odor food, may lead to the occurrence of armpit odor. Patients with armpit odor usually need to pay attention to hygiene, take a shower, change clothes, keep the skin clean and clean, and can use topical antiperspirant. Armpit odor patients, should promptly go to the hospital dermatology department, follow the doctor’s instructions standardized treatment.