A method for adjusting a touch screen, a touch chip, and an electronic terminal are provided. The method for adjusting a touch screen includes: receiving a characteristic signal corresponding to a usage scenario type of a terminal device that includes the touch screen; acquiring a touch screen adjustment parameter corresponding to the characteristic signal, where the touch screen adjustment parameter includes: at least one of a chip simulation parameter for controlling a touch chip of the touch screen and a firmware algorithm parameter; and adjusting an operating state of the touch screen based on the touch screen adjustment parameter. Through the embodiments of the present disclosure, a user can get excellent experience when using the touch screen in various usage scenarios.