The invention discloses a floor type door closer system and a detecting method using the same. The floor type door closer system comprises a floor type door closer and a remote device, wherein the floor type door closer comprises a rotating shaft and an electronic processing module; the rotating shaft comprises a permanent magnet; the permanent magnet is interlocked with a door; the electronic processing module detects actuation of the permanent magnet; the remote device is communicably connected with the floor type door closer through the electronic processing module; and the electronic processing module detects that the permanent magnet moves to a triggering position, and sends out triggering signals and pushes informs to the remote device. The invention belongs to the technical field ofdoor closers, and particularly relates to a floor type door closer which is buried in the ground and has a detecting function, and the opening and closing state of the door which is interlocked withthe floor type door closer can be detected.