The utility model discloses a fruit tree watering device that grows seedlings, the on -line screen storage device comprises a base, the jar that catchments has been placed on the top of base, and oneside welding of base has the pushing hands, and the opposite side welding of base has the safety cover, and the inside of safety cover is equipped with rechargeable water pump, and the play water end(W. E. ) of rechargeable water pump is connected with the water pipe, and the water control valve is installed to the one end of water pipe, and the shower nozzle is installed to the play water end (W. E. ) of water control valve, the top fixed mounting inlet tube that catchments jar, and the top welding of inlet tube has four fixture blocks, and the overflow pipe is installed to the top one sideof catchmenting jar, the water control valve includes the valve body, and the welding has the water -stop sheet in the valve body, and the first mouth of a river and the second mouth of a river have been seted up to the water -stop sheet, and the case is installed to the valve body internal rotation, and weld on the top of case has the dwang, and outside the one end of dwang extended to the valvebody, first water hole and second water hole had been seted up to the case. The utility model relates to a rational in infrastructure, easy operation can effectively utilize the rainwater to irrigate,practices thrift the cost.