The invention provides a stove, and solves the problem of inconvenience for movement and carrying of thin-neck container products in the prior art. The stove comprises a stove body; a shelf is arranged at an upper port of the stove body; the shelf is formed by mutually sleeving multiple independent rectangular pyramid-shaped cylinders gradually shrunk one by one and with big tops and small bottoms; the smallest independent pyramid-shaped cylinder has a bottom; two chutes are formed in the edge of the upper port of the stove body corresponding to two diagonal edges of the independent rectangular pyramid-shaped cylinders; the chutes are connected with the edge of the port through cylinder hinges, and are matched with slide rods; dovetail grooves are formed in the slide rods in the length directions; balls are fixed on two diagonal edges of all the independent rectangular pyramid-shaped cylinders; the balls on the same side edge are arranged in the dovetail grooves of the same slide rods; and two opposite slide rod ends are connected through bolt structures. The stove facilitates carrying, and can achieve multiple purposes to reduce carrying of corresponding fittings.