Cable fixing device for panel cabinet

The invention discloses a cable fixing device for a panel cabinet, and relates to the technical field of electrical cabinet cable laying. According to the invention, a wide-opening second lower side opening and a second inner side notch located in the upper portion of the second lower side opening are formed in the lower side of a second upper side clamping base plate; a third inner side buffer plate is elastically arranged in the second lower side opening and the second inner side notch; second side fixing plates are fixedly connected with the two edges of the lower side of the second upper side clamping base plate; a fourth sealing strip is arranged between each second edge side fixing plate and the second upper side clamping base plate in a matched mode; each fourth sealing strip tightly matches a fifth sealing strip; and a moisture absorption box is mounted at upper matched neutral positions in a matched manner. A first mounting base frame plate is arranged, the second upper side clamping base plate is mo