The utility model discloses a control circuit in multi partition greenhouse vestibule skylight, including an auxiliary relay KA1, the 2nd auxiliary relay KA2, the 3rd auxiliary relay KA3, fourth auxiliary relay KA4, the 5th auxiliary relay KA5, the 6th auxiliary relay KA6, the auxiliary relay KA7 that windows, pass window auxiliary relay KA8, ac contactor KM1, ac contactor KM2, the utility model discloses a normally open the automatic control of the parallelly connected of normally closed contact and accuse temperature with the air intake function in the realization vestibule skylight of establishing ties to auxiliary relay and ac contactor, need not change existing greenhouse controller procedure, only increase a small amount of electrical components, circuit structure is simple.