Non-poisonous snakes distributed in all provinces of China (except Ningxia and Qinghai-Tibet Plateau). The total length is about 1 m, and the back is dark brown. It is named after more than 60 narrow red stripes. The dorsal scale is smooth, or there are several rows of ridges in the center of the posterior segment of the body. Buccal scales often enter the orbit. The back of the head is black, the scale edge is red, there is a ∧-shaped erythema on the occipital part, and a black line extends back to the first place behind the eye socket. 7 scales of upper lip. Red chain snakes inhabit plains, hills and mountains, and are common in fields, hillsides, roadsides, bamboo forests, cottages and waters, and sometimes enter houses. Often curled up in a ball, squatting under the haystack. There are more activities at night. Feeding on fish, frogs, toads, lizards, snakes, birds, etc.

Living in the wild; Areas near villages and water sources. Feeding on frogs, scorpions and fish. Violent, but non-toxic. Distributed in Zhejiang, Jiangsu, Anhui, Jiangxi, Fujian, Taiwan Province, Guangdong, Sichuan, Yunnan, Hunan, Hubei, Shandong, Shanxi, Hebei, Henan and other places.