Dry skin and like ringworm, may be related to eczema, ringworm, psoriasis and other diseases. 1. Eczema: as a chronic inflammatory skin disease, the cause of its onset and a variety of internal and external factors related to stimulation, in the clinical manifestation of the form of diversity, can be manifested as pimples, blisters, but also can be manifested as peeling or cracking. 2. Ringworm: as a kind of infectious skin disease, its cause is due to the skin infection caused by ringworm bacteria, in the clinic can be manifested as a clear boundary of the skin lesions, the local can be manifested as dry, and can be accompanied by the phenomenon of flaking. 3. Psoriasis: it is a chronic inflammatory skin disease, the cause of its development is not only related to heredity, but also related to environmental factors and autoimmune abnormality, which is manifested as red plaque with scales. Because of the complexity of the cause, the specific circumstances need to ask the doctor for a face-to-face consultation.