Tinea cruris is caused by fungal infection, while scrotal eczema is a kind of dermatitis eczema, accompanied by papules and exudation tendency, which is easy to recur in the chronic stage as lichen. Scrotal eczema is characterized by severe local itching, often redness, exudation and erosion due to excessive scratching and hot water scalding. It occurs repeatedly for a long time, and can be manifested chronically as lichen like change, roughness, thickening of local skin lesions, which is very painful. Tinea cruris is caused by fungal infection of the skin. Its manifestation is that the edge of the erythema is relatively clear, circular, and the edge has a bulge shape. It mostly occurs in the groin, but also occurs in the buttocks, unilateral or bilateral. Most of the skin lesions are obviously inflamed and itchy due to poor local permeability, moisture and friction. In addition to differentiating from symptoms, the two can also be differentiated by fungal immunofluorescence detection of local skin lesions.
