Lei Jiayin is a Chinese actor. He was born in Anshan in 1983. Jiayin dropped out of school when he was in junior high. Later his mother suggested that he should take part in the model examination in Shengyang. Actor Lv Xiaohe spotted him there, pointing Jiayin towards acting career. In 2002, Lei Jiayin was admitted to Shanghai Theatre Academy with his results ranked second nationwide.