Indoor suspended ceiling structure and construction method thereof

The invention relates to an indoor suspended ceiling structure, relates to the technical field of indoor decoration, and solves the problem that a decorative plate is inconvenient to clean. The indoorsuspended ceiling structure comprises a keel frame and decorative plates, wherein the keel frame comprises main keels and an auxiliary keel, each mounting groove is formed in the corresponding main keel, each rotating shaft is rotatably connected to the corresponding mounting groove, and each rotating sleeve sleeves the corresponding rotating shaft; each rotating sleeve is provided with a stop block, and each rotating shaft is provided with a shifting block; each fixing column is arranged on the corresponding rotating sleeve, each pressing column is hinged to the corresponding fixing column,each driving rod is connected to the inner part of the corresponding fixing column in a sliding mode, each driving block is arranged on the corresponding pressing column, and turns over the corresponding pressing column downwa