A brief introduction to the development of a door fixed tooling for automobile pain ting.A new door fixed tooling suitable for the surface coating and spraying line of walking door opening and closing robot is developed.After the body is sprayed,the tooling can fix the door by itself to ensure that the door is always closed during the operation of the conveying line in the coating workshop(such as straight travel,emergency stop,rotation,moving and the uphill and downhill of the drying furnace),prevent the door from being thrown away and damaging the paint surface,which will affect the coating quality.