The invention discloses a general quick clamp capable of detaching and installing a cutter quickly. The general quick clamp comprises a supporting body, a press plate, a connecting plate, a handle, a locating pin and scale inclined iron. The connecting plate is arranged on the left side of the supporting body, the press plate is arranged on the left side of the connecting plate, and the supporting body, the connecting plate and the press plate are sequentially and fixedly connected. The scale inclined iron is arranged on the upper portion of the supporting body, the connecting plate is fastened with the scale inclined iron, and the handle and the locating pin are arranged on the press plate. The quick clamp adopts the principle that the cutter is clamped through a handle reset clamp through a slope port, the cutter is loosened through a limit pin limit clamp and the cutter is released by pushing the handle upwards, complexity of detaching and installing the cutter from the lateral side is avoided easily, and operation is simple, convenient and user-friendly.