The invention discloses a table foot structure of a frame, which comprises a support rod fixed on the upper part of the table foot, four pulleys are installed on the bottom of the table foot, and a support foot is arranged beside the pulley, the length of the support foot is greater than the height of the pulley, and the length of the support foot is greater than the height of the pulley. The upper end is fixed on the bottom of the table leg by means of a hinge, and the leg is tightened and horizontally fitted on the bottom of the table leg through the spring fixed on the table leg. There is a ring, one end of the rope passes through the ring and is fixed on the support foot, the other end of the rope is fixed on the pull handle on the support rod, the pull handle is fixed on the support rod by a hinge, and the rope is in a tight state. The invention has the advantages of simple structure, convenient operation and strong practicability, effectively solves the problem of unstable placement and easy shaking of the frame with pulleys, and is simple to manufacture and low in cost, has good technical effect, and is worthy of popularization and use.