Ringworm, also known as tinea corporis, is caused by a fungal infection. Ringworm can be triggered when the patient is infected with fungi, such as Trichophyton rubrum and Trichophyton mustelii. The disease is transmitted through direct or indirect contact, and can also be caused by the spread of infection through one’s own ringworm of the hands, feet, and nails. Dermatophytes are suitable for survival in hot and humid environment, when the weather is hot, localized humidity and sweating, it is easy to induce tinea corporis. In addition, when the patient due to disease long-term use of hormones, immunosuppressants and other drugs, can make the body immunity decline, resulting in prone to ringworm. It is recommended that patients go to the hospital in time, under the guidance of the doctor, standardized treatment.