People who smell like shit may have armpit odor. Armpit odor, also known as stinky sweating. The sweat excreted by the sweat glands in the patient’s armpits, vulva, corners of the mouth and other parts of the body has a high content of fatty acids. After reaching a certain concentration, the fatty acids are decomposed by staphylococcus bacteria on the surface of the skin to produce unsaturated fatty acids, which emit an odor. If the odor is severe, the patient may have a fecal odor. Therefore, people who smell like shit may suffer from armpit odor. Heredity, personal constitution and other factors can lead to the occurrence of armpit odor, patients should pay attention to personal hygiene in daily life, take a shower, eat more fresh fruits and vegetables, less spicy and greasy food. Patients with severe armpit odor should go to the hospital in time, and under the guidance of the doctor for regular treatment.