The commercialization in the lithium niobate on insulator provides delivery towards the emergence of higher-good quality lithium niobate photonic crystals. In order to provide advice on the research of lithium niobate photonic crystal gadgets, current progress about fabrication, characterization, and applications of The skinny-film lithium niobate photonic crystal is reviewed. https://hansw009lyk4.digitollblog.com/profile