A combination hook rack includes a rack frame formed of two elongated frame plates and spacer blocks fixedly set in between the two elongated frame plates and kept apart from one another at a distance, hanging belts affixed to the rack frame and provided with a respective hook at the free end for hanging the rack frame on a high place, and hook assemblies affixed to the rack frame for hanging things, each hook assembly including multiple lower hooks that define at least one space therebetween and come into contact at their ends, so that the lower hooks of each hook assembly can be used as a whole to hold a heavy thing or can be separated into individual hooks to hold light things.