The total length of the gray-bellied green snake is about 1m, and the longest can reach 1.456m. The head is long, the neck is obvious, and the tail is slender. The tail length accounts for two-fifths of the total length. The back of the body is emerald green, the ventral surface is pale yellow, and there is a black vertical stripe behind the eyes. Living in alpine regions, arboreal. It is more active in forests, bamboo forests, and thickets on both sides of mountain streams.

The grey-bellied green snake is a snake genus of reptiles. Non-venomous snake, upper lip scales 8 (2-3-3), no cheek scales, preorbital scales 1, retroorbital scales 2, temporal scales 2 (1) + 3 ( 3), dorsal scales 19(21)-19(17)-15(13), smooth except for a few central rows of micro-ribs, ventral scales 208-224, anal scales 2, and lower caudal scales 108-151 pairs , green on the back (brown in larvae), one black longitudinal stripe on each front and back, light yellow or gray on the ventral surface, and white on both sides of the ventral scales.