Men’s thigh roots, around the anus, armpits fever sweating is because the local skin under the sweat glands developed, and these locations due to the activity of heat production and body heat dissipation reasons, the local skin temperature will be higher, so more sweating. Thigh roots, around the anus, armpits, these body parts of the skin is loose, subcutaneous tissue deep contains rich sweat glands, these positions of the sweat glands often secrete a variety of aromatic organic substances, by the bacterial decomposition, may produce unpleasant odor, should pay more attention to local cleanliness and hygiene. In addition, these parts of the body due to the activities of the limbs, local friction heat production, skin temperature will increase, hot, around the anus is the exit of the intestinal tract, the body’s heat needs to be dissipated through the anus, the local temperature is also slightly higher. Normal sweating in summer when it is hot is conducive to the body’s heat dissipation, to prevent heat stroke is favorable to the body’s health. Under normal circumstances, such as after exercise, heat and other parts of the sweat fever is normal, if there are no circumstances, these parts of the fever, or even accompanied by other symptoms, such as dizziness, headache, fatigue, etc., you need to measure the body temperature, observe the body and what other changes, and go to the hospital in a timely manner to clarify the cause of the disease.