A multifunctional supporting frame for a web camera, comprises a movable supporting clamping seat having a hollow rectangular receiving chamber; the rectangular receiving chamber being formed by an upper L shape sheet, a middle U shape sheet, and a lower enclosed rectangular sheet; one lateral side of the L shape sheet being extended with a sheet plate; at least one guide post being extended from one surface of the sheet plate; the guide posts being combined with springs so as to be formed as a telescopic structure which is adjustable to have a desire width for clamping an object; and a bendable shaft seat formed by an upper U shape plate and a lower U shape plate which are pivotally engaged. A lens set is installed above the movable supporting clamping seat by using a lens set pin seat.