Itching on the inner thighs could be eczema. If it occurs in the groin area on both sides, it may also be caused by ringworm. Since this area does not usually breathe easily, fungal infections can easily develop after frequent sweating. After fungal infection, local inflammatory changes may occur, and these inflammatory changes may result in a certain amount of papules and papules, which, at a certain stage, may in turn result in a certain amount of flaking and varying degrees of itching. So this condition may be caused by ringworm, and if it is ringworm, it needs to be treated aggressively with antifungal medication.