1. A screen control method, comprising: dividing a display area of a touch control screen into a plurality of sub-areas; assigning each sub-area with a serial number; determining whether a touch control pressure value on a sub-area of the touch control screen exceeds a pre-set pressure threshold value and generating determined results; obtaining a touch control operation by a finger on the touch control screen, when the determined results comprise that the touch control pressure value exceeds the pre-set pressure threshold value; calling a control instruction corresponding to the touch control operation according to a mapping relationship table that is pre-set, wherein the mapping relationship table includes a mapping relationship among the touch control operation, the serial numbers of the sub-area that receives the touch control operation, and the control instruction; and controlling the touch control screen to display contents corresponding to the touch control operation and the serial number of the sub-area that receives the touch control operation according to the control instruction.