The invention provides a rocket launching platform applicable to rockets with different models and attitudes, and belongs to the technical field of rocket launching devices. The rocket launching platform applicable to rockets with different models and attitudes comprises a launching framework, a movable platform, a supporting platform, a fixed platform, supporting legs, and a first branch chain to a ninth branch chain, wherein the first branch chain, the second branch chain and the third branch chain are evenly distributed on the launching framework and fastened to the launching framework in a circumferential manner, the fourth branch chain and the fifth branch chain are connected between the launching framework and the supporting platform respectively, a space closed-loop mechanism is formed by the fourth branch chain, the fifth branch chain, the launching framework and the supporting platform, the sixth branch chain is connected between the supporting platform and the movable platform, the seventh branch chain, the eighth branch chain and the ninth branch chain are connected between the movable platform and the fixed platform respectively, a space closed-loop mechanism is formed by the seventh branch chain, the eighth branch chain, the ninth branch chain, the movable platform and the fixed platform, the three supporting legs are located at the bottom of the fixed platform and are distributed circumferentially, one end of each supporting leg is fastened to the fixed platform through a bolt, and the other end of each supporting leg is fastened to the launching ground through a ground nail. The rocket launching platform applicable to rockets with different models and attitudes has the advantages of being compact in structure, high in adaptability to different working conditions, flexible in attitude adjustment, relatively easier to control and the like, and rockets of different models can be launched.