The invention relates to an installation design for a top-arranged fuel batter engine urban automobile top. The design includes the installation of the fuel battery engine, an urban automobile top frame, and the shell design; the fuel battery engine includes a fuel battery stack, an auxiliary sub-system supporting the normal operation of the fuel battery stack, a hydrogen tank and a hydrogen feeding sub-system, a radiator, and a cooling and heating dissipation sub-system for a water pump; the top of the urban automobile is designed into the concave shape matched with the dimension and shape of all systems of the fuel battery engine; all systems of the fuel battery engine are respectively arranged on the concave structure position, ensuring that the automobile slightly is higher than the height of the normal fuel automobile. The invention is improved according to the structure and characteristic of the fuel battery engine, and has higher safety and more beauty.