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This utility model provides a tabletop lift-type laboratory fume hood, relating to the field of laboratory fume hoods. It includes: a cabinet body; an exhaust duct on the upper side of the cabinet body, with an exhaust fan connected to the outer end of the exhaust duct; a filter assembly connected to the outer end of the exhaust fan; a filter box containing filter elements and a partition inside the filter box; a dust collection hood on the inner side of the cabinet body, with a flexible hose connected to its rear side; the lower end of the flexible hose connecting to a rear exhaust port on the rear side of the operating table; an electric actuator connected to the lower end of the operating table; a tabletop on the lower side of the operating table; and a storage box on the lower side of the tabletop. This utility model facilitates height adjustment of the operating table inside the cabinet and enables effective filtration and suction close to the operating table.