Door closer positioning block and door closer

The utility model belongs to the technical field of door closers, and discloses a door closer positioning block and a door closer. The door closer positioning block comprises a shell, a pressing part, a hooking part, an elastic part and a limiting part, the pressing part can slide in the shell, the hooking part is connected with the front end of the pressing part, the elastic part is arranged in the shell and abuts against the rear end of the pressing part, and the limiting part is arranged in the shell. The limiting component is arranged between the side wall of the pressing component and the inner wall of the shell, when the door is opened, the pressing component slides in the shell in the first direction facing the interior of the shell under the pushing of an external sliding block, in the sliding process, the hooking component is in hooking connection with the sliding block, and the elastic component buffers the pressing component; when the door is opened to a preset angle, the pressing part slides to a