The largest king brocade snake is more than 2.5 meters, and the maximum weight can be more than 10 kilograms. Wang Jin snake is the fastest growing and larger (except pythons) among non-venomous snakes, but it has a ferocious temperament, dares to compete with cobras among poisonous snakes, and has the habit of cannibalizing the same kind or other snakes.

The back of the king snake is black, mixed with yellow spots, like cauliflower, so there are cauliflowers The name of the snake. The head and back are brownish-yellow, and the scale margins and scale grooves are black, forming a king-shaped black spot, so it is called the king brocade snake.