The invention discloses track type automatic large-area sprinkling device, which comprises a base station, a vertical track, a vertical track shuttling vehicle, a horizontal track, a water supply tank and a track sprinkling vehicle. The water pump of the sprinkling vehicle is connected with a water supply pipe, the water supply pipe is connected with a sprinkling bar, a power cord is respectively connected with the drive motors of the vertical track shuttling vehicle and the track sprinkling vehicle, a control console respectively controls the running of the vertical track shuttling vehicle and the track sprinkling vehicle and the coiling of a cable turntable through control lines; the vertical track is laid to be the height of one vertical track shuttling vehicle lower than the horizontal track; the horizontal track is as high as a horizontal shuttling track for the vertical track shuttling vehicle, and the vertical running of the track sprinkling vehicle is realized through the vertical track shuttling vehicle. The track sprinkling vehicle of the invention can run both vertically and horizontally in fields, spray water in a mild way, atomize water, adjust the sprinkling height, save water resources and also be used in a liquid medicine sprinkling system.