The invention discloses a filter disc clamping device for filtering smoke of a cigarette, which comprises an upper cover and a base, wherein the upper cover is provided with a perspective port, the perspective port is provided with a piece of transparent glass, the inner side of the perspective port is provided with an upper cover lug boss, the middle part and the outer side of the base are respectively provided with an air inlet hole and an air outlet hoe, the inner side of the base is provided with a base lug boss which corresponds to the upper cover lug boss, a filter disc is pressed between the base lug boss and the upper cover lug boss, and the base lug boss and the upper cover lug boss are respectively provided with a groove corresponding to each other. All parts of an automatic device can be protected, the smoke which is produced when smoking a cigarette can completely pass through the filter disc and then enter an instrument, and the filter disc clamping device is simple in structure, convenient to install and strong in practicability. The filter disc is manufactured by glass fibers, condensation products of smoking can be remained, and the corrosive substances in the smoke can be effectively filtered.