The invention discloses a novel folding type cable well lid. A first protection fence and a second protection fence are hinged to a first lid body and a second lid body correspondingly, after the first lid body, the second lid body, the first protection fence and the second protection fence are opened, a protection barrier is formed on a well opening, the well falling accident is prevented, due to arrangement of a fixing lock and a fixing plate, the protection fences can be effectively fixed, due to arrangement of an LED light strip, a person can be reminded of obstacles in front of the person, through the connecting manner of a connecting rod, the opening and closing process of the lid bodies is more convenient, and meanwhile the condition that the lid bodies are stolen is prevented. Due to existence of a turnover plate and a telescopic ladder, a maintainer can more conveniently enter in and climb out of the well, through adjusting of the opposite position of a connecting chain and hooks, the angle formed by the turnover plate and the well opening is adjusted, and the maintainer can conveniently climb the telescopic ladder.