The utility model provides a screen frame capable of being lifted up slantly. The screen frame comprises a screen frame body. One end of the screen frame body is installed on a printing machine body through a hinged shaft, the lower end of the screen frame body is provided with a rack, and an air spring is arranged between the screen frame body and the rack. Due to the fact that the air spring is fixed between the rack and the screen frame body, when screen cloth needs to be washed, a user only needs to lift up the screen frame body slantly with the hands, the air spring supports the screen frame body, and the screen cloth can be washed more easily and conveniently.