The invention relates to a protective medical working overcoat which comprises a medical working overcoat body, a collar, top flies, pockets and sleeves, wherein the medical working overcoat body is equal in upper width and lower width and is H-shaped integrally; parting lines are further arranged on the medical working overcoat body, and are linear-type; the medical working overcoat consists of 54% cotton, 16% polyester, 25% metal fiber and 5% lead; a waistband is further arranged on the back surface of the medical working overcoat body; the end parts of the sleeves adopt the opening nosing structure, and a tightening belt and a button are arranged at the end part of each sleeve; a button hole is formed in each tightening belt, and is matched with the corresponding button. The protective medical working overcoat has the advantages that the protective performance is good, the functions of radiation prevention, bacterium prevention and static electricity prevention are achieved, and physical health of medical workers is protected.