The mold of rainwater inspection well is mainly used for the maintenance of urban underground infrastructure, such as power supply, water supply, drainage, communication, cable TV, gas pipe, street lamp line and so on, which is convenient for installation. It is generally set at the intersection of pipelines, bends, pipe diameter or slope changes, and every certain distance on the straight pipe section, It is convenient to inspect the auxiliary structures regularly. The inspection well mould is the main tool for making inspection well.