Abstract: The present patent application discloses a cable fixing apparatus, and the cable fixing apparatus includes: at least one slot structure, for holding a cable; and clipping parts at both sides of each slot structure, wherein at least one of the clipping parts has an elasticity enhancement structure, and the elasticity enhancement structure is configured so that the elasticity of the clipping part is enhanced. The present patent application also discloses a printed circuit board assembly (PCBA), an electronic controller (ECG) and a light-emitting device. By using a cable fixing apparatus provided according to embodiments of the present patent application, the cable can be fixed reliably, and/or the costs of a cable fixing apparatus can be lowered.