The utility model discloses a handheld splitting cooling head for splitting glass, which comprises a cooling head main body, a temperature sensor is mounted in the cooling head main body, a control panel is mounted on one side of a shell, and a telescopic structure is mounted at the top end of the shell. According to the cooling head, the mounting block is mounted on one side of the cooling head body, the mounting block on one side of the cooling head body can be clamped into the connecting block, so that the cooling head body can be mounted, when the spring drives the baffle to move, the baffle moves to drive the buckle to move, and after the cooling head body is inserted into the connecting block, the buckle moves to drive the buckle to move. When the cooling head body needs to be replaced, the buckle can be inserted into the connecting block and the mounting block, the connecting block and the mounting block can be fixed together through the buckle, when the cooling head body needs to be replaced, the buckle can be pulled open, the buckle is not clamped to the connecting block and the mounting block any more, and the cooling head body can be detached; in this way, the purpose that the hand-held splinter cooling head for glass splinter is convenient to replace is achieved.