The invention discloses a fixing bracket for fast laying of a drainage canal for irrigation in hilly regions. The fixing bracket comprises a drainage canal fixing rack, wherein a laying bottom plate,a left side laying plate, a left side wall plate, a right side wall plate and a right side laying plate are arranged on the drainage canal fixing rack; a mounting plate is arranged at each of the leftend and the right end of the laying bottom plate; mounting holes in array distribution are formed in the mounting plates; the mounting plates are fixed on fixing blocks; two fixing rods in parallel are arranged between the two fixing blocks; a fixing steel mesh is arranged between the two fixing blocks at the lower ends of the fixing rods; the left side wall plate is connected to the left side ofthe laying bottom plate; the left side laying plate is connected to the left side of the left side wall plate; the right side wall plate is connected to the right side of the laying bottom plate; theright side laying plate is connected to the right side of the right side wall plate. The fixing bracket for fast laying of the drainage canal for irrigation in the hilly regions is adaptive to unevenground of the hilly regions, laying rate and efficiency are high, and construction quality of the drainage canal is good.