Universal scalpel with scales

The utility model discloses a universal scalpel with scales. The universal scalpel comprises a scalpel handle and a scalpel head. The scalpel handle is of a cylinder hollow structure, and the scalpel handle and the scalpel head are fixedly connected through a universal connecting piece. The scalpel head comprises a clamping sleeve and a blade, and the blade is arranged in the clamping sleeve and contacted with the clamping sleeve in movable mode. At least two stop bolts are arranged on the clamping sleeve, the stop bolts are threaded with the clamping sleeve, and one ends of the stop bolts are connected with the blade in contacting mode. The universal scalpel with scales has the advantages that a universal connecting piece is arranged in the scalpel handle, the blade is installed on the clamping sleeve through a blade clamping port which is commonly used according to the existing standard, the clamping sleeve is connected with the universal connecting piece, during use, angles of the blade and the scalpel han