The utility model provides a blade for an incubator and the incubator. The blade for the incubator comprises a blade main body, wherein the length-width ratio of the blade main body is (6-9):1. According to the blade for the incubator, provided by the utility model, the power of an electric motor can be effectively reduced on the premise of meeting the requirements on air movement in a box body in the incubator through changing the length-width ratio of the blade main body, thus the reduction of energy consumption of the incubator can be realized, and the using cost of the incubator is reduced.