The causes of inner thigh sensitivity usually include tender inner thigh skin, proximity to sexual organs and surrounding sensitive zones, etc. If allergies are present, timely medical treatment is required. Because the inner thigh skin is relatively delicate, and close to the sex organs and the surrounding sensitive zone, so its inner skin is more sensitive, if often rubbed with chemical fiber dyed clothing or mosquito bites, may lead to allergic reactions or aggravation, but also accompanied by severe itching, redness, swelling and other uncomfortable symptoms, once found in a timely manner need to go to the hospital for examination. Therefore, in daily life should try to avoid wearing chemical fiber dyed clothes to reduce the stimulation of the skin, and need to be appropriate insect repellent to reduce the occurrence of mosquito bites.