A smoking device capable of automatically ejecting a cigarette and performing automatic heating, characterized in that, the smoking device is substantially a rectangular solid; the smoking device is provided with a cigarette port facing upward; the cigarette port is located on a right side of an upper side surface of the smoking device; the smoking device comprises an upper cavity and a lower cavity; the upper cavity comprises: a cigarette cup, being roughly cup-shaped and configured for placing a cigarette, wherein a port of the cigarette cup corresponds to the cigarette port, and a hole is formed at a bottom of the cigarette cup; a cigarette cup base, being roughly cup-shaped and configured for placing the cigarette cup, wherein a vertical gap is formed on a right side wall of the cigarette cup base, and an outer wall of a port of the cigarette cup base radially protrudes outward to form a protruding block, and a hole is formed at a bottom of the cigarette cup base; a push button, arranged in the vertical gap on the right side wall of the cigarette cup base and a vertical gap formed on a right outer wall of the upper cavity, wherein an external part of the push button is outside the right outer wall of the upper cavity, and an internal part of the push button is fixedly connected to an outer wall of the cigarette cup; a heating member, wherein an upper part of the heating member is pointed, and the heating member enters the cigarette cup through the hole at the bottom of the cigarette cup base and the hole at the bottom of the cigarette cup; a first spring, arranged vertically, wherein an upper end of the first spring abuts against a bottom outer wall of the cigarette cup base; a cigarette cavity, located on a left side of the cigarette cup and the cigarette cup base, and configured for placing the cigarettes; a push plate, vertically arranged on a left side of the cigarette cavity; a second spring, arranged horizontally, wherein one end of the second spring abuts against an outside of a left wall at a bottom end of the push plate; and a linkage block, being roughly in a shape of an upside-down cup and arranged in a lower part between the cigarette cavity and the cigarette cup, wherein a third spring is vertically arranged inside the cup, and an upper end of the third spring abuts against an inner wall of a cup bottom of the linkage block. a cigarette cup, being roughly cup-shaped and configured for placing a cigarette, wherein a port of the cigarette cup corresponds to the cigarette port, and a hole is formed at a bottom of the cigarette cup; a cigarette cup base, being roughly cup-shaped and configured for placing the cigarette cup, wherein a vertical gap is formed on a right side wall of the cigarette cup base, and an outer wall of a port of the cigarette cup base radially protrudes outward to form a protruding block, and a hole is formed at a bottom of the cigarette cup base; a push button, arranged in the vertical gap on the right side wall of the cigarette cup base and a vertical gap formed on a right outer wall of the upper cavity, wherein an external part of the push button is outside the right outer wall of the upper cavity, and an internal part of the push button is fixedly connected to an outer wall of the cigarette cup; a heating member, wherein an upper part of the heating member is pointed, and the heating member enters the cigarette cup through the hole at the bottom of the cigarette cup base and the hole at the bottom of the cigarette cup; a first spring, arranged vertically, wherein an upper end of the first spring abuts against a bottom outer wall of the cigarette cup base; a cigarette cavity, located on a left side of the cigarette cup and the cigarette cup base, and configured for placing the cigarettes; a push plate, vertically arranged on a left side of the cigarette cavity; a second spring, arranged horizontally, wherein one end of the second spring abuts against an outside of a left wall at a bottom end of the push plate; and a linkage block, being roughly in a shape of an upside-down cup and arranged in a lower part between the cigarette cavity and the cigarette cup, wherein a third spring is vertically arranged inside the cup, and an upper end of the third spring abuts against an inner wall of a cup bottom of the linkage block.