GPS positioning method for mobile terminal, and mobile terminal

A global positioning system (GPS) positioning method for a mobile terminal, the method comprising:

• acquiring, by the mobile terminal, an ephemeris information before GPS positioning is started;
• acquiring, by the mobile terminal, a first cell identifier of a first cell in which the mobile terminal is located;
• after GPS positioning is started, acquiring by the mobile terminal, according to the first cell identifier, a first latitude and longitude information corresponding to the first cell identifier from a correspondence table, wherein the correspondence table comprises a cell identifier and a latitude and longitude information corresponding to the cell identifier;
• and
• using the first latitude and longitude information, the ephemeris information, along with a time information that is acquired in advance, performing, by the mobile terminal, the GPS positioning by using a GPS receiver of the mobile terminal.