A touch display screen applicable to an electronic device, comprising: a touch component, a buffer layer, and a display component, wherein the touch component comprises a first surface and a second surface opposite to the first surface; the buffer layer is made of a transparent elastic material, is provided between the touch component and the display component, and comprises a third surface and a fourth surface opposite to the third surface, and the third surface is disposed opposite to the second surface; and the display component comprises a display surface and a backlight surface opposite to the display surface, and the display surface is disposed opposite to the fourth surface; wherein the touch display screen further comprises a display screen frame, and the display screen frame comprises a side frame and a base; wherein the side frame is fastened to the base such that the side frame and the base form an accommodation groove, and the accommodation groove is configured to accommodate the display component and the buffer layer; and wherein the side frame comprises an upper side frame and a lower side frame; the lower side frame is fastened to the base, and the lower side frame has a same shape as the display component; and a wall thickness of the upper side frame is less than a wall thickness of the lower side frame; characterised in that the touch component has the same shape as a cross section of a top of the side frame and is fastened to the top of the side frame such that the outer edge of the touch component corresponds to the outer edge of the top of the side frame, in that the inner edge of the upper side frame has the same shape as the edge of the buffer layer, and in that a height of the upper side frame is the same as a thickness of the buffer layer. a touch component, a buffer layer, and a display component, wherein the touch component comprises a first surface and a second surface opposite to the first surface; the buffer layer is made of a transparent elastic material, is provided between the touch component and the display component, and comprises a third surface and a fourth surface opposite to the third surface, and the third surface is disposed opposite to the second surface; and the display component comprises a display surface and a backlight surface opposite to the display surface, and the display surface is disposed opposite to the fourth surface; wherein the touch display screen further comprises a display screen frame, and the display screen frame comprises a side frame and a base; wherein the side frame is fastened to the base such that the side frame and the base form an accommodation groove, and the accommodation groove is configured to accommodate the display component and the buffer layer; and wherein the side frame comprises an upper side frame and a lower side frame; the lower side frame is fastened to the base, and the lower side frame has a same shape as the display component; and a wall thickness of the upper side frame is less than a wall thickness of the lower side frame; characterised in that the touch component has the same shape as a cross section of a top of the side frame and is fastened to the top of the side frame such that the outer edge of the touch component corresponds to the outer edge of the top of the side frame, in that the inner edge of the upper side frame has the same shape as the edge of the buffer layer, and in that a height of the upper side frame is the same as a thickness of the buffer layer.