Selection method of service cells and mobile terminal

The embodiment of the invention discloses a selection method of service cells and a mobile terminal. The method comprises the following steps: obtaining a location area code of the service cell currently resided by the mobile terminal and marking as a first location area code; detecting whether the mobile terminal is in a searched service cell or not; if yes, inquiring whether the location area code of the service cell is the first location area code in the searched service cells or not; if yes, increasing bias for the service cell corresponding to the first location area code. The mobile terminal comprises a location area code marking unit used for obtaining the first location area code of the currently resided service cell, a detection unit used for detecting whether the mobile terminal is in the searched service cell or not, a search unit used for querying whether the service cell of the first location area code exists or not, and an adjustment unit used for increasing the bias for the service cell corresp