Multi-nozzle spray bar for sprayer

A multi-nozzle spray bar for a sprayer relates to a sprayer and has a large spray area. The multi-nozzle spray bar comprises a bar body, a nozzle seat and nozzles, wherein the nozzle seat is arranged at the front end of the bar body and the nozzles are arranged on the nozzle seat; and the nozzles are four and at least one nozzle is adjustable in direction and the rest of the nozzles are fixed. During use, the fixed nozzles are responsible for basic area and the spray direction of the two nozzles adjustable in direction can be quickly and accurately adjusted according to actual demands, avoiding sanitary dead angle in quarantine inspection; the multi-nozzle spray bar is convenient to disassemble and assemble, is safe and reliable, and can replace the original nozzle for use; the sprayed mist medicine area of the nozzles is larger, so as to suit large-area operation, effectively improve spray speed and remarkably reduce labor intensity; and part of the nozzles can be opened or closed according to actual operati