The basic body color of the California king snake is a black and white ring pattern, and there are many other variants. Generally speaking, the background color is mostly from black to brown, and the ring stripe is white to yellow. Of course, there are also vertical Patterns, star points and variant colors commonly known as bananas, as for all kinds of white seeds, they have long been stable and mass-produced.

The California king snake has a smooth back, an oval cross-section and a rounded head. The California king snake is a gentle snake, but if life-threatening, it hisses and fights back, sometimes rolling into a sphere and spraying its feces at the enemy. As long as the snake is not caught with excessive force, it rarely bites.