The head is long oval, the head and neck are clearly distinguished, the eyes are large, and the snout is blunt. Generally, the total length is 500-1000mm, and the maximum full length is 865+250 mm for males and 865+250 mm for females. Snake (773+191) mm. The color spots on the back of the body vary greatly, with orange, light blue, brown-red, and brown-black patterns. There are also a considerable number of melanized individuals, dark gray from the back of the head to the end of the tail, without other markings.

The big-eyed oblique-scale snake lives in the plateau mountains. Along the mountain stream, on the roadside, on the vegetable garden, on the stone pile. When frightened, the front part of the body is raised, whistling, and sometimes it is often twisted on the small stone. The big-eyed, oblique-scaled snake body stinks. Often active during the day. Mainly eat frogs. Non-toxic. Because it resembles a cobra, it is often mistaken for poisonous.