The utility model discloses a sled dress formula water injection device belongs to the oil development field. Sled dress formula water injection device includes water storage tank, sled dress formula water distribution notes water station, water injection module and control module. The utility model discloses a water storage tank sets up in target oil well well site, the water storage tank is through coming water line and water source to be connected, water injection module sets up in sled dress formula water distribution notes water station's water injection indoorly, control module sets up in water station's control room is annotated in the water distribution of sled dress formula, wherein, water injection module and control module can install the water distribution of sled dress formula in advance and annotate in the water station, then start shipment to target oil well well site with water storage tank no. 1 and carry out water injection pilot production operation, acquire the work and follow -up the carrying of oil well development data and verify that development plan and the work of drawing up the production system need not to wait for that fixed notes water station goes on after establishing again, thereby accelerate the oil field development progress, and also need not to establish fixed notes water station in outlying oildom, the production in outlying oildom cost is reduced, improve its economic benefits.