Centipede is a terrestrial arthropod, and its body is composed of many joints, each with a foot, so it is a multi-legged creature. Centipede, also known as dragon, centipede, small centipede, centipede, viper maggot, etc. It is a predatory terrestrial arthropod with poisonous glands. Common centipedes have red head, green head and black head. The back of the head is red and black, and the abdomen is reddish, which is light orange or yellow. Qingtou's back and feet are blue, his abdomen is light blue, and his body is very small, about half the length of a red-headed centipede.

The black-headed centipede has a black back and feet, a yellowish abdomen and a smaller body. Among the above three kinds, centipede with red head is the best, with big head, high yield, mild temperament, strong adaptability and fast growth. Generally, it is more common in rural areas, often located in damp corners, under bricks, under rotten leaves, and in dilapidated and damp houses, especially in summer. Centipede is a carnivore, with a wide range of recipes, and especially likes to prey on various insects. Centipede has poisonous glands that can secrete venom and can be used as medicine itself. Suitable for artificial feeding. "Compendium of Materia Medica" said: "There are centipedes everywhere in the southwest. Spring stings, winter stings, each foot, both sides must be divided. " Usually the body is very long and has many opposite feet. Materia Medica Yi Yan said: "Centipede has dark green backlight, red feet and yellow belly." Scolopendra, snake, scorpion, gecko and toad are also called "five poisons".