The invention relates to the technical field of cable construction, in particular to a cable fixing device and discloses a combined type multi-cable fixing device. The fixing device is formed by combining assemblies according to layers in a lamination way, wherein each assembly is a cable sleeve comprising a sheet-shaped elastic body, the sheet-shaped elastic body is provided with six bending parts at intervals from an initial end to a tail end, the initial end and the tail end are closed so that the cable sleeve is in a hollow hexagonal prism shape, a hollow part in the cable sleeve is used for placing a cable, and the cable is clamped and fixed by the sheet-shaped elastic body. By the fixing device, multiple cables can be arranged in order during cable laying construction, the cables are effectively prevented from being intercrossed and twisted, the construction efficiency is improved, inspection and maintenance are facilitated, and the cable fixing device has the advantages of simple structure and small volume and is convenient to use.