Both pityriasis rosea and ringworm belong to the skin disease, but there are big differences between them, mainly reflected in the cause of the disease, symptoms and manifestations of different. Because most people can not clearly distinguish, skin discomfort symptoms suggest timely medical examination, so as to clarify the specific causes. Pityriasis rosea belongs to a self-limiting inflammatory skin disease, usually the cause of the disease is related to viral infections, but also may be allergic, or mental long-term in a state of stress induced. Ringworm, on the other hand, is a fungal infection, mainly associated with Trichophyton rubrum infection, and may be transmitted from person to person or contaminant to contaminant. Pityriasis rosea may occur in areas such as the trunk or limbs, appearing as round or oval patches on the skin surface, localized fine scales, and accompanied by varying degrees of itching symptoms. And ringworm is mainly manifested as skin lesions, with pimples, papules or blisters as symptoms, may appear on the skin surface red scaly patches and accompanied by itching, the symptoms of severe cases may also appear skin pustules phenomenon. In normal life, we should pay attention to prevention and care, pay attention to personal hygiene, change clothes diligently to avoid the infection of the disease, during the treatment period, we should isolate our daily necessities and place them in isolation, and we should carry out disinfection treatment on a regular basis, and we should pay attention to personal hygiene during the period of the disease, and take baths diligently to keep the skin clean and dry.