Most of the skull primates great cranial cavity, spherical, this is due to the jaw shorter, facial change caused by flat, Orbital hind dash forward the development form bone eye rings, or closed form eye socket, Most species nose short, their sense of smell after hearing, touch, and some species in the brain with low highly developed sense of smell central and, to a great extent by olfactory action. Some lemur has a long nose. Golden monkeys genera and dolphin tail langur genera of the nasal bones degradation, forming the supine nostrils. Proboscis monkey genera of the nose big and long. These special type is due to the muscles or cartilage development, formed. Foot extensor hallucis and it can hold, make to toe hands and feet become grasping organs. The original of the monkey 5 fingers but flexion, no individual use. Palm surface and surface, have a naked - fingers and toes grain, grain shape is differ. With very soft or wide foot pad, except black apes outside, all for - do sex. Most kinds of means and toe end all have flat armour. General before long hind varies slightly, only the gibbon secco and orangutans secco forehand much longer than the hind legs. Apes, and people in with tail, koala of the kinds of its tail length difference is very big, from only one swelled to exceed long body. JuanWei monkey hkust some species with grip function, tail "DiWuZhi hand," said. Some old continent monkey (such as baboon) facial, hip or chest skin with bright-coloured colour, especially noticeable in breeding. The buttocks thick hard skin composed of lumps, called buttock continue.