The back of the body is emerald green or grass green, with black and orange thick spots alternately arranged on both sides of the front of the body, and a pair of black thick splashes on both sides of the pillow. Tiger-spotted-neck snake is a controversial snake in China academic circles. Because of its docile character, many scholars think it is a non-toxic snake. In fact, it is a poisonous snake (allergic constitution has a precedent of poisoning death, and it is listed as a poisonous snake in Japan) but it is docile.