The invention relates to an underground comprehensive pipe gallery with a water storage function. The underground comprehensive pipe gallery with the water storage function comprises a comprehensive pipe gallery chamber which is arranged below a municipal road surface. A comprehensive green gallery is arranged on the municipal road surface. The comprehensive pipe gallery chamber comprises a natural gas chamber, a comprehensive chamber, a strong current chamber, a sewage pipeline chamber and a rainwater chamber. The natural gas chamber, the comprehensive chamber and the strong current chamber are arranged on the rainwater chamber and the sewage pipeline chamber is arranged on one side of the rainwater chamber. Natural gas pipelines are arranged in the natural gas chamber; a water supply pipeline, a recycled water pipeline and communication optical cables are arranged in the comprehensive chamber; electrical cables are arranged in the strong current chamber; a sewage pipeline is arranged in the sewage pipeline chamber. Drainage ditches are arranged on the inner bottom surfaces of the natural gas chamber, the comprehensive chamber and the strong current chamber. The rainwater chamber is connected with the comprehensive green gallery by a drainage pipe. According to the underground comprehensive pipe gallery, the problems of urban traffic congestion and inconvenient maintenance and inspection of public facilities such as electricity, communication, fuel gas and water supply and sewage can be solved, the pressure of urban inland inundation can be relieved and the rainwater can be collected and used at the same time.