The utility model relates to an atmosphere wet deposition collection system, it includes the bearing system, sets up the preliminary collecting system of rain appearance in bearing system top, the gravity -feed tank that sets up in the bearing system of the preliminary collecting system of rain appearance below should the system, sets up atmosphere wet deposition collection system and drainage system in the bearing system. The utility model has the advantages of stability, the leakproofness is good, easy operation and labour saving and time saving.