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Retinal degenerative disease is a major disease that affects human vision. It damages human photoreceptor cells and damages human vision. And the mammalian retina does not have the ability to regenerate, once the disease will seriously affect people's normal life. At present, there is no clear way to prevent and alleviate these diseases, but the transplantation of photoreceptors to supplement the damaged photoreceptors in the retina can treat retinal diseases. In this paper, we will discuss the current situation and techniques of photoreceptor transplantation to restore vision in retinal degenerative diseases.