Grating can be classified into parallax barrier, lenticular and matrix lens grating. Among them, lenticular grating is most widely used. The imaging principles of each one are different, and each has its own advantages and disadvantages with different applications. The process of grating stereoscopic printing includes the access to original image, plate making, printing and post-press finishing. Studying on the grating with high precision and consistency, formulating a unified product standard and popularizing online grating printing process will be the development direction of stereoscopic printing.