A vertical type distributor of a grit catcher comprises a distributor, a cyclone, a discharging pipe and a slurry groove, wherein a baffle plate is arranged in the central section of the inner wall of the distributor, and the baffle plate separates the interior of the distributor into an upper portion and a lower portion. The sidewall of the upper portion is provided with a discharge port, and the sidewall of the lower portion is provided with a feed inlet. The top of the cyclone is provided with an overflow mouth, which communicates with the upper portion through the discharging pipe. The sidewall of the cyclone is provided with an inlet which communicates with the lower portion. The bottom of the cyclone is provided with a sand outlet facing the opening of the slurry groove, and the bottom and the sidewall of the slurry groove are each provided with an outlet. The vertical type distributor is simple in structure and convenient for use, uniformly distributes pressure on slurry, and ensures excellent grit catching effect. The processing amount is great, and the vertical type distributor occupies small area and saves resources.