The head of the Taiwan small-headed snake is short and small, and it is indistinguishable from the neck. The body is not big, the body is thick and fat, and the total length is 550-673 mm. The back of the body has black-brown wavy stripes at equal distances, about one scale wide. The more typical feature is that the head has an inverted V pattern, and the body color of the young Taiwanese snake will gradually change with age.

The Taiwan small-headed snake lives in plains, hills, and mountainous areas, and is common In shrubs, rock piles, grasslands, dense and humid forests, farmland, mountain roads, vegetable gardens, and occasionally in open fields or houses, they are active at night and move slowly. Feed on the eggs of other reptiles.