The invention discloses a glasses leg with clamping force convenient to adjust. The glasses leg comprises a glasses leg body and an ear hook, the glasses leg further comprises a curved-bar-shaped adjusting rod made of metal, one end of the adjusting rod is connected with the free end of the ear hook, and the other end of the adjusting rod is connected with the connecting end of the ear hook or the glasses leg body; multiple tooth grooves are formed in one end of the adjusting rod at the minimum, wherein the tooth grooves are located at the same side with the adjusting rod and distributed in the length direction of the adjusting rod, a plug hole corresponding to the end of the adjusting rod provided with the tooth grooves is formed in the glasses body or the ear hook, the glasses leg is further provided with a deformation adjusting part, and the deformation adjusting part comprises a bolt and a gear which are connected to the ear hook or the glasses led body. The glasses leg is simple in structure, the adjustable accuracy of the adjusting rod is high, a user can adjust the shape of the adjusting rod conveniently for obtaining the great wear comfort, meanwhile, the clamping force of glasses can be adjusted according to specific conditions, and the further popularization of online optician is facilitated.