Feeling itchy inside the legs, the first thing to consider is the symptoms caused by fungal infections such as tinea pedis and ringworm. This symptom can occur with eczema of the legs, neurological dermatitis, focal varicose veins, medications, and other allergic dermatitis caused by contact. If it is caused by any of these diseases, the skin may have a rash and other manifestations. Secondly, we should consider whether there is diabetes, in addition to the clinical symptoms of diabetes, there are other complications, such as loss of vision, abnormal sensation in the lower legs, hypoesthesia, itchy skin, etc. Finally, we should consider whether there are various sensory disorders and sensory abnormalities caused by nerve damage. So this symptom specific to clarify what causes, it is recommended to seek medical advice, through the examination to confirm the diagnosis and timely treatment.