The invention relates to a large range, and especially relates to a rapid powder stirring device for interior decoration. The device comprises a connecting frame, a first opening is formed in the leftside wall of the connecting frame, the first opening is connected with a cam through a rotating shaft, the rotating shaft is connected with a connecting rod through a belt, a first helical gear is arranged on the front side of the connecting rod, the upper side of the first helical gear is engaged with a second helical gear, the second helical gear is mounted at the upper end of a threaded rod, the threaded rod is in threaded connection with a connecting plate, a stirring motor is mounted in the middle of the connecting plate, a stirring shaft is arranged below the stirring motor, a stirringrod is mounted on the stirring shaft, a connecting seat is mounted at the bottom of a stirring cylinder, a flow guiding tank is arranged in the connecting seat, material discharging ports are arrangedin four corners of the upper end of the flow guiding tank, and scraping plates are arranged at the left end and the right end of the upper side of the connecting seat. The stirring efficiency of thedevice can be effectively improved, the cleaning of the inner wall of the device is convenient, the powder waste is reduced, and the use of the device is convenient.