The utility model discloses a cable well cover plate. the plurality of cable well cover plates cover the mouth of the cable well side by side; an integral connecting assembly is arranged between everytwo adjacent cable well cover plates which are in butt joint; the integral connecting assembly comprises a connecting piece; the connecting piece is provided with a bottom extending horizontally anda vertical part perpendicular to the bottom. A connecting groove is formed in the butt joint side edge of the cable well cover plate. the connecting groove comprises a horizontal section on the lowerside and a communicating section upwards communicating with the upper surface of the cable well cover plate; wherein the bottom of the connecting piece is inserted into the horizontal section, the vertical part of the connecting piece upwards penetrates through the communicating section, the overall connecting assembly further comprises a fixing plate fixed to a cable well cover plate, and the fixing plate is provided with a fixing hole connected with the vertical part in an inserted mode. According to the cable well cover plate, the overall bearing capacity of the cable well cover plate is enhanced, the usual maintenance condition is reduced, and unnecessary noise pollution caused by urban cable wells can be solved.