Weather-index based insurance is one of the most attractive product in the insurance industry and among scholars in recent years. Compared with traditional agricultural insurance, it has advantages in controlling the moral hazard and adverse selection. Through a brief comb of the connotation, designing and pricing of Weather-index based insurance, help to clarify the context of its empirical and theoretical research between the domestic and foreign experts and scholars. Then, Discussing the future research direction of Weather-index based insurance, it points out the reference frame in the mat...