The invention provides an inflatable switch cabinet. The inflatable switch cabinet comprises a cabinet body and a cabinet door, wherein an interlocking mechanism is arranged in the cabinet body; a lockhole is formed in the cabinet door; the interlocking mechanism comprises a lock rod guide piece, a lock rod, an elastic piece, a limiting piece, a rotating shaft and a turnplate; and opening and closing of the cabinet door are controlled by cooperation between the lockhole and the lock rod. Compared with the prior art, the inflatable switch cabinet provided by the invention has the following beneficial effects: during electrification and after the lock rod is inserted into the lockhole of the cabinet door, the fact that the cabinet door cannot be opened is guaranteed by cooperation of a buckle and a bayonet, and the personal safety of an operator is guaranteed; through cooperation of the lock rod and the lockhole, the inflatable switch cabinet is simple in structure, convenient to disassemble and assemble and reliable in performance; and through cooperation between the buckle and the bayonet, the fact that the lock rod cannot move after being inserted into the lockhole is effectively guaranteed.