Starting up method and system of hard cut measurement

The method comprises: 1) sending a first message to each user device in the current sector; said first message carries the information about the condition of starting the hard switch measurement and the measurement parameter of hard switch; 2) for responding to the first message, according to the information about the condition of starting the hard switch measurement, each user device decides if it meets the condition of starting hard switch measurement; if yes, according to the measurement parameters, starts relevant hard switch measurement process.