PCB fixing structure and charger

The utility model relates to the technical field of chargers, and discloses a PCB fixing structure and a charger, and the PCB fixing structure comprises a bottom shell which is provided with an opening; the PCB is arranged in the bottom shell; the bottom shell is provided with at least one clamping structure used for fixing the PCB; and the surface cover is detachably arranged at the opening in acovering manner. The utility model has the advantages that: after the PCB is arranged in the bottom shell, the PCB is positioned forwards, backwards, leftwards, rightwards, upwards and downwards afterbeing supported by the supporting piece, fixed by the clamping structure, limited by the limiting piece and propped by the propping block, so that the mounting stability is good; and the PCB can be installed from top to bottom along the opening of the bottom shell, so that horizontal installation is realized, and the utilization rate of the product assembly space is high. 本实用新型涉及充电器技术领域，公开一种PCB板固定结构及充电器，PCB板固定结构，包括有：底壳，底壳