The utility model discloses a trinity deformation combined toy, including lion toy subassembly, whale toy subassembly and the imperial toy subassembly that can dismantle the connection each other, lion toy subassembly whale toy subassembly and dragon toy subassembly is exclusive use or three combination use formation combined toy separately, can make up lion toy subassembly, whale toy subassembly and the imperial toy subassembly of dismantlement through setting up, the three all can constitute independent toy alone, can splice simultaneously to form a complete robot toy, brings more abundant entertainment experience for the player.