The total length of the purple-grey brocade snake is nearly 1 m, and the tail length accounts for one-seventh to one-sixth of the total length. The back is light taupe brown or purple-gray, with 9-17+2-6 saddle-shaped black spots arranged approximately equally spaced across the back of the body tail, and the saddle spots are black in young snakes. With age, except for the black lines on the edges, the central color becomes lighter, there are two black-brown fine vertical lines connecting the front and rear saddle spots, there are three black vertical lines on the back of the head, and the ventral surface is jade-white without spots.

Purple-grey snake is a non-venomous snake. Tame temperament,Beautiful colors,A nocturnal snake. Lives in mountains, streams, fields, roadsides and grass. Mainly feed on small mammals such as rodents, which is effective in eradicating harmful animals. to an important role.