The utility model discloses a glass floating ball fixing clamp, which is used for connecting a glass floating ball with a main rope of an anchoring system and comprises two splints which can be closed oppositely and a plurality of bolt assemblies. The two splints are provided with first bolt holes for being connected with the glass floating ball at flange positions by the bolt assemblies. Opposite clamping surfaces of the two splints are provided with rope grooves for accommodating the main rope. The cross section of the rope grooves is of an arc shape. Both sides of each rope groove are respectively provided with second bolt holes for locking the main rope by the bolt assemblies. The clamp can realize reliable connection between the glass floating ball and the main rope of the anchoring system. Constituent parts of the clamp are all standard components, and thus, the constituent parts can be rapidly arranged in a standardization mode and cannot damage stability and firmness of an original structure of the anchoring system. The utility model also discloses the anchoring system which comprises the glass floating ball fixing clamp.