Skin is an extraordinary structure. It is frequently damaged because it is directly in the “firing line” and for this reason, skin diseases are very common. There are more than 3000 known diseases of the skin. Although most of the chronic skin conditions, such as eczema, psoriasis, vitiligo and leg ulcers, are not immediately life-threatening, they are recognized as a considerable burden on health status and quality of life, having, physical, emotional and financial consequences. These make leeches a boon for a variety of dermatological diseases like Qooba (Ringworm), Saafa (Tinea corporis), Namash (Chloasma), kalaf (Warts), Narfarsi (Eczema), Daul sadaf (Psoriasis), Bars (Vitiligo), Da us Salab (Alopecia). Some of these have scientific backing too. The paper at length describes the effect leaching has on dermatological problems, its nature of mechanism, and its complications