The application belongs to the field of display panels, and relates to a touch display panel, which comprises a shell, a main
control circuit board arranged in the shell, a cover plate fixed to the shell, a touch display area and a button
control area of the cover plate, a touch display screen arranged in the shell, the touch display screen being detachably connected to the cover plate in a clamping mode, operation buttons arranged in the button
control area, the operation buttons penetrating through the cover plate and protruding from the surface of the cover plate, and the main
control circuit board being electrically connected to the touch display screen and the operation buttons; the application also relates to a
numerical control laser cutting machine; the touch display screen is detachably connected to the cover plate in a clamping mode, so that the touch display screen can be conveniently disassembled and replaced, the needs of different users can be met, the touch display screen and the operation buttons are integrated on the same cover plate, the commonly used functions can be converted to the operation buttons while the touch display function is guaranteed, the operation convenience can be improved, the overall appearance is simple and elegant, the space and cost can be saved, and the overall performance of the product can be improved.