Dermatology which is significant to skin infection. The skin is the greatest organ of the body covering the entire body. As the outside guarded covering of the body it is introduced to nature making it feeble against improvements, rashes, recoloring, bruises, seethes, wounds, sicknesses, and distinctive issue. It goes about as a guarded shield against warmth, light, harm, and sullying. It directs body temperature, stores water and fat, it is an unmistakable organ, prevents water hardship, prevents area of infinitesimal life forms, goes about as an impediment between the animal and its environment. Dermatologist treats issue relating to the skin, hair, and nails. Regularly skin injuries and clutters are markers of inward sickness and mirror the procedures happening inside the body. Skin comprises of layers. The shallowest (most outside) layer is the epidermis. The epidermis is a stratified squamous epithelium. It has stacked layers of cells. Underneath the epidermis lies the dermis and beneath subcutaneous fat, or sub cutis. With enormous variety in indications and seriousness, many distinctive skin diseases exist.