Membrane switch capable of preventing Newton ring on window

The utility model discloses a membrane switch capable of preventing Newton rings on a window. The membrane switch sequentially comprises a surface membrane layer, an upper interlayer, a pressing elastic sheet PET, a lower interlayer, a circuit layer, a back adhesive layer and a window lining plate, a button area and a transparent window are arranged on the surface film layer, the transparent window corresponds to a window lining plate, ink is printed on the whole window area of the transparent window, and the back face and the whole window area of the transparent window area are printed with ink, so that Newton rings caused by attraction of the transparent window and a PMMA mirror surface can be prevented, and poor appearance of the window is avoided; a first air groove is formed in the rubber frame, and when the window lining plate is attached to the transparent window area on the mask layer, the situation that the flatness of the transparent window area is poor due to too much or too little sealed air is av