Integrated cabin section local thermal protection structure, aircraft and machining method

The invention relates to an integrated cabin section local thermal protection structure which comprises a heat-proof baffle, a heat-proof layer and a connecting structure, the heat-proof layer is arranged on the periphery of the heat-proof baffle in a surrounding mode, the heat-proof layer and the heat-proof baffle are in lap joint in a staggered mode, the heat-proof layer and the heat-proof baffle are jointly cured and formed, and the density of the heat-proof baffle is larger than that of the heat-proof layer; the connecting structure is installed on the heat-proof baffle and used for being installed on a cabin section force-bearing shell. The high-density heat-proof baffles are arranged in the protection structure, so that the heat-proof baffles have high ablation resistance and scouring resistance, meanwhile, the heat-proof baffles and the heat-proof layers on the periphery are overlapped in a staggered mode and jointly cured and formed, the joints of the heat-proof baffles and the heat-proof layers have