A screen control method, wherein the method is applied to a terminal that has a touchscreen, the terminal comprises a screen fingerprint sensor, and the method comprises: when the touchscreen is in a lighted state, receiving, by the terminal, a first touch operation; obtaining, by the terminal, texture information and touch information of the first touch operation by using the touchscreen and the screen fingerprint sensor, wherein the texture information is skin texture information corresponding to the first touch operation, and the touch information comprises a touch duration and at least one of a touch position and a touch area; and turning off, by the terminal, the touchscreen based on the texture information and the touch information, when the touch duration is greater than or equal to a length of a preset time period, the texture information does not match preset texture information and the turning off the touchscreen comprises one of additional conditions i to iii, namely: i. when the touch information comprises the touch position, at least one part of the touch position is in a preset area, and the preset area is a part of an area on the touchscreen, ii. when the touch information comprises both the touch position and the touch area, at least one part of the touch position is in a preset area, and the touch area is greater than or equal to a preset threshold, and iii. when the touch information comprises the touch area and the touch area is greater than or equal to a preset threshold. when the touchscreen is in a lighted state, receiving, by the terminal, a first touch operation; obtaining, by the terminal, texture information and touch information of the first touch operation by using the touchscreen and the screen fingerprint sensor, wherein the texture information is skin texture information corresponding to the first touch operation, and the touch information comprises a touch duration and at least one of a touch position and a touch area; and turning off, by the terminal, the touchscreen based on the texture information and the touch information, when the touch duration is greater than or equal to a length of a preset time period, the texture information does not match preset texture information and the turning off the touchscreen comprises one of additional conditions i to iii, namely: i. when the touch information comprises the touch position, at least one part of the touch position is in a preset area, and the preset area is a part of an area on the touchscreen, ii. when the touch information comprises both the touch position and the touch area, at least one part of the touch position is in a preset area, and the touch area is greater than or equal to a preset threshold, and iii. when the touch information comprises the touch area and the touch area is greater than or equal to a preset threshold. i. when the touch information comprises the touch position, at least one part of the touch position is in a preset area, and the preset area is a part of an area on the touchscreen, ii. when the touch information comprises both the touch position and the touch area, at least one part of the touch position is in a preset area, and the touch area is greater than or equal to a preset threshold, and iii. when the touch information comprises the touch area and the touch area is greater than or equal to a preset threshold.