The invention discloses a continuous superovulation of cow, which comprises the following steps: placing cork in the zero day, injecting once follitropin in the forth, fifth, sixth and seventh days, injecting once cloprostenol in the morning and evening of seven day, fertilizing artificially in the ninth and tenth days, brushing embryo in the seventh day, injecting cloprostenol, injecting cloprostenol in the twentieth-forth day, placing cork in the thirty day, detecting through Ultrasonic B.