The invention provides a container type movable floating pontoon device library and relates to a device library for overwater rescue. The container type movable floating pontoon device library is used for dealing with emergencies and disasters and providing relief on oceans, rivers and lakes and comprises a structural frame, a top plate, a base plate, a surrounding plate and a door plate. The structural frame is of a cuboid frame structure, the base plate is arranged at the bottom of the structural frame, the top plate is installed on the top face of the structural frame through movable connecting parts, the surrounding plate is arranged on the periphery of the structural frame, and the door plate is further arranged on the periphery of the structural frame. The surrounding plate is installed on the structural frame through movable connecting parts. The structural frame of the container type movable floating pontoon device library is divided into three areas including the area A on the left side, the area B area in the middle and the area C on the right side, and articles for rescue and decontamination are arranged in the three areas according to the classification demand. The three areas can be expanded into more areas or can be decreased into one to two areas according to the demands.