Itchy elbows and flakes after scratching may be related to neurodermatitis, ringworm and other diseases. 1. Neurodermatitis is a chronic inflammatory skin disease, mainly manifested in the clinic as mossy skin changes, skin thickening and can be covered with a little scales, local skin pigmentation and itching discomfort and so on. The skin lesions occur on the neck, back and outer elbow joints, and are symmetrical, and are related to mental stress. 2. Tinea corporis is a kind of skin lesion with clear boundary formed after local skin is infected with ringworm bacteria, besides itching symptoms, the local skin can be covered with a small amount of scales. Because the fungal infection is contagious, it can develop in other parts of the body through scratching. Itchy elbows, scratching off flakes may have more causes, the specific circumstances need to ask the doctor for an interview and complete the relevant examination, and follow the doctor’s instructions for treatment.