The invention discloses an environment-friendly fluorescent lamp. The environment-friendly fluorescent lamp comprises a horizontally arranged mounting plate, a first hook part is arranged at one end of the mounting plate, the first hook part bends towards the upside, a second hook part is arranged at the other end of the mounting plate, the second hook part bends towards the upside, and a first fluorescent ball, a second fluorescent ball and a third fluorescent ball are arranged below the mounting plate. The fluorescent balls can realize fluorescent lightening, and the environment-friendly fluorescent lamp can realize a fluorescent warning function after being arranged on a ceiling.