An intelligent air-conditioning controlling system comprises an intelligent controlling device, an air-conditioning, a plurality of sensing devices, and a cloud server. The system includes at least one mobile wireless communications instrument and a data processor operatively connected to the mobile wireless communications instrument. The stopper block may include a main part and a protrusion, protruding from the main part. The second chamber being defined by the inside of a flexible and sealed bag, the border of the mouth of which is connected in a sealed way to the second flange. The base station controller transmits a confirm message indicating that the mobile station will perform handover, to the determined target base station, and establishes a tunnel to the target base station.