An input apparatus suitable to be used in an electronic device, wherein the input apparatus comprises: a top cover, wherein at least one trench (3031, 3032) is disposed in a first area of the top cover; a base, wherein at least one slot group (30611, 30612) is disposed in a second area of the base, and projections of the second area and the first area in a pressing or tapping direction overlap; a tactile switch, comprising a force-bearing surface and disposed on the top cover or the base; and at least one connecting rod (304, 305), disposed between the top cover and the base, wherein the connecting rod (304, 305) is of a U-shaped structure and comprises a main rod and a side rod group, the main rod is rotatably nested in a corresponding trench (3031, 3032), and each side rod in the side rod group is slidably nested in a corresponding slot in the slot group (30611, 30612); and when the first area is pressed or tapped, the first area moves toward the base, so that the main rod of the connecting rod (304, 305) rotates in the trench (3031, 3032) around the main rod extension direction, and each side rod of the connecting rod (304, 305) slides in a corresponding slot in the longitudinal extension direction of the side rod, to drive the first area to entirely move down, thereby triggering the tactile switch; wherein the top cover comprises a circuit board and a circuit board bracket that are successively stacked along the pressing or tapping direction; the circuit board bracket is configured to fasten the circuit board; the tactile switch is communicatively connected to the circuit board, and is configured to control the circuit board; and the first area is an area on the circuit board bracket; and wherein each slot group (30611, 30612) comprises two slots; two slots belonging to a same slot group (30611, 30612) are distributed on two sides of a connection line between the tactile switch and a center point of the main rod, and are symmetrical along the connection line between the tactile switch and the center point of the main rod; each side rod group comprises two side rods, and two side rods belonging to a same side rod group distributed on the two sides of the connection line between the tactile switch and the center point of the main rod, and are symmetrical along the connection line between the tactile switch and the center point of the main rod; and wherein the trenches open in a direction from the circuit board towards the base. a top cover, wherein at least one trench (3031, 3032) is disposed in a first area of the top cover; a base, wherein at least one slot group (30611, 30612) is disposed in a second area of the base, and projections of the second area and the first area in a pressing or tapping direction overlap; a tactile switch, comprising a force-bearing surface and disposed on the top cover or the base; and at least one connecting rod (304, 305), disposed between the top cover and the base, wherein the connecting rod (304, 305) is of a U-shaped structure and comprises a main rod and a side rod group, the main rod is rotatably nested in a corresponding trench (3031, 3032), and each side rod in the side rod group is slidably nested in a corresponding slot in the slot group (30611, 30612); and when the first area is pressed or tapped, the first area moves toward the base, so that the main rod of the connecting rod (304, 305) rotates in the trench (3031, 3032) around the main rod extension direction, and each side rod of the connecting rod (304, 305) slides in a corresponding slot in the longitudinal extension direction of the side rod, to drive the first area to entirely move down, thereby triggering the tactile switch; wherein the top cover comprises a circuit board and a circuit board bracket that are successively stacked along the pressing or tapping direction; the circuit board bracket is configured to fasten the circuit board; the tactile switch is communicatively connected to the circuit board, and is configured to control the circuit board; and the first area is an area on the circuit board bracket; and wherein each slot group (30611, 30612) comprises two slots; two slots belonging to a same slot group (30611, 30612) are distributed on two sides of a connection line between the tactile switch and a center point of the main rod, and are symmetrical along the connection line between the tactile switch and the center point of the main rod; each side rod group comprises two side rods, and two side rods belonging to a same side rod group distributed on the two sides of the connection line between the tactile switch and the center point of the main rod, and are symmetrical along the connection line between the tactile switch and the center point of the main rod; and wherein the trenches open in a direction from the circuit board towards the base.