Chameleon is a general term for reptiles in the order Lizards, family Auchenipteridae, with the scientific name Auchenipteridae. The skin is covered with granular scales, and there are various pigment cells in the dermis that can stretch and change body color at any time; There are blunt triangular protrusions on the head; Both eyes are independent and can freely turn to different perspectives; There are ridges on the back; The limbs are relatively long, with 5 fingers and toes on both the front and back limbs, divided into 2 groups. The inner 3 fingers of the front limb are healed, and the outer 2 fingers are healed together and can be held together; The hind limbs are opposite, with the inner 2 toes and outer 3 toes healed and held relative to each other. Mainly distributed on the African continent and Madagascar Island, inhabiting trees, with a few species inhabiting the ground. Mainly feeding on insects.