The invention discloses a power cable dissection analysis platform. The periphery of a support (3) is provided with an external wrapping casing (4), the support (3) is provided with a large dust-collecting box (2), the large dust-collecting box (2) is connected with a small dust-collecting box (5), the support (3) is uniformly connected with at least two main supports (1), one end of the support arm (1-1) of each main support (1) is provided with a notch (1-4), the notches (1-4) are provided with nut connecting holes (1-5), the support arms (1-1) are clamped on cross beams of the support (3), the other ends of the support arms (1-1) are provided with threaded holes (1-6), small holes (1-7) are uniformly distributed in first clamping blocks (1-2), the small holes (1-7) are circularly distributed, the support arms (1-1) are connected with the first clamping blocks (1-2) through nuts passing through the threading holes (1-6) and the small holes (1-7), and the first clamping blocks (1-2) are connected with second clamping blocks (1-3) through fastening screws. The power cable dissection analysis platform is simple in structure, convenient to operate and small in risks, enhances the work efficiency and improves the work environment.