The yellow ring forest snake is about 1.8 to 2.5 meters long. It is the largest snake species in the forest snake genus and one of the largest arboreal snake species in Asia. The body is slender and slightly flattened on the side, the head is large and slightly triangular, the large gray eyes have vertical pupils, and have posterior groove teeth, and the scales are smooth and shiny all over the body. The back of the head is black, the upper lip scales, jaw and throat are bright yellow, the back of the body is black, there are many fine yellow stripes on the side of the body, and the abdomen is dark blue.

The yellow-ringed snake is a typical nocturnal arboreal snake Snakes usually feed on the eggs of amphibians, small lizards, birds, small mammals and other animals in the wild. Attack when there is a chance, but under captivity, the personality of the yellow-ringed snake can be improved by domestication, and the personality will become tame.