The difference between fungal and bacterial infections is in the following aspects: first, in terms of rash performance, ringworm and ringworm caused by fungi can appear on the skin surface as annular or circular-like erythematous patches with a healing center and slightly elevated dyke-like edges covered with fine scales. If sweat patches are caused by yeast and furfur infection, they can appear as brown patches that can be covered with fine scales and accompanied by mild or no itching. Diseases with bacterial infection, such as dermatitis can appear with elevated skin temperature, edematous erythema with local pressure, and more obvious symptoms of inflammatory infection. Second, treatment, fungal infections can be topical terbinafine hydrochloride gel, bacterial infections can be topical fusidic acid ointment.