Mycosis: common tinea pedis, tinea corporis, tinea cruris and onychomycosis (onychomycosis);
Bacterial dermatosis: erysipelas and leprosy are common;
Viral dermatosis: chickenpox, verruca plana and herpes are common;
Skin diseases caused by arthropods: such as scabies;
Sexually transmitted diseases: such as syphilis, gonorrhea and condyloma acuminatum;
Allergic dermatosis: contact dermatitis, eczema, measles and erythema multiforme are common; Drug reactions, such as taking sulfanilamide and intramuscular injection of penicillin;
Body skin diseases: sunburn, polymorphic solar rash and corns are common;
Neurofunctional dermatoses: pruritus, neurodermatitis and parasitic paranoia are common;
Erythematopapular scaling dermatosis: psoriasis, pityriasis simplex and pityriasis rosea are common;
Connective tissue diseases: lupus erythematosus, scleroderma and dermatomyositis are common;
Eruptive dermatosis: common herpes zoster, herpetiform herpes, palmoplantar pustulosis;
Vegetarian disorder dermatoses: chloasma, vitiligo and tattoos are common;
Degenerative dermatosis: pityriasis rubra is common;
Skin diseases of sebum and sweat glands: acne, rosacea and smelly sweat are more common;