The utility model discloses a rocket gun rotation mechanism dismantles debugging platform, including base assembly, stand and bracket assembly, the base assembly includes four sets of cross bases and four connection channel -section steels that are used for connecting into four sets of cross bases the rectangular frame structure, connects the channel -section steel both ends and passes through the bolt respectively and correspond end cross base one end to be connected, cross base middle part be the ring flange, every set of fixed stand at the cross base middle part, and the bracket assemblies are connected on four stand tops, and the bracket assembly be loop configuration and its interior side wall one -tenth circle inner ring, the bracket assembly is used for supporting rocket gun rotation mechanism, be used for bearing rocket gun rotation mechanism's bracket assembly with the aid of base assembly and column mouting, conveniently debug rocket gun rotation mechanism.