Ringworm on the elbows is classified as tinea corporis and is the result of a fungal infection. It is possible to be infected through direct contact or indirect contact. 1. Direct contact: for example, if you have tinea cruris or tinea pedis, the fungus will be brought to the elbow skin through scratching, or the elbow skin will directly contact the skin of the patient’s tinea cruris area, which will cause local superficial skin infection, thus leading to tinea cruris. 2. Indirect contact infection: the use or contact with the patient’s contaminated towels, bed sheets, bedding, clothes and other daily necessities may also cause cross-infection. Obesity, excessive sweating, chronic diabetes, and chronic wasting disease, or the use of immunosuppressants, glucocorticoid drugs are susceptible people. Elbow skin infection ringworm, you should promptly seek medical attention, under the guidance of the doctor treatment.