The invention relates to a touch optimizing method and device applicable to terminal equipment. The method comprises the following steps: reducing a laser plane through cooperation between an image pickup device and a screen laser plane cutting device; detecting whether the depth data of light spots formed by the laser plane after touch reduction is greater than the preset standard depth data of the light spots; and if so, adjusting the area of the user touch laser plane to realize touch operation. The method solves the problems of the traditional technology that the generated touch signal is not accurate due to the rough laser plane and consequently misoperation is caused; and by repairing the rough laser plane, the touch signal accuracy and the operation usability are guaranteed.