Sweating on the inside of the thighs may be physiological factors, but also can be considered with certain diseases. 1. Physiological factors: physical labor, sports, inner thigh sweating, is a normal phenomenon; body fat people, leg meat is more, after sweating, sweat is not easy to be evaporated, resulting in the inner thighs moist; sports wear more clothes, clothing, breathability is not good, resulting in increased sweating on the inner thighs. 2. Pathological factors: diabetes, hyperthyroidism, endocrine disorders, patients are prone to hyperhidrosis, which may lead to inner thigh moisture and sweating. Restricted hyperhidrosis, if it occurs in the inner thighs, can lead to localized increased sweating. It is recommended to pay attention to personal cleanliness and hygiene, and wash in time after sweating to avoid inducing infection. If necessary, go to the hospital, for the cause of the appropriate drugs to regulate, can help improve the symptoms.