Control method for touch display screen

The invention discloses a control method for a touch display screen. The control method comprises the steps that when it is recognized through a touch chip that a gesture input by a user through a touch screen is a set control gesture, a control instruction is generated through the control chip; the control instruction is transmitted to a driving chip of the display screen through the touch chip so as to control a driving signal of the driving chip, and the control instruction is a view angle switching instruction. By means of the technical scheme, the control instruction to the display screen can be started simply through signal transmission between the touch chip and the driving chip to achieve the view angle switching of the touch display screen, and operation is simple and fast.