The method including: obtaining identity information and location information of a user terminal, and monitoring, according to the identity information and the location information, whether the user terminal has moved to a target region; obtaining a target network quality level if the user terminal has moved to the target region, where the target network quality level includes a current network quality level of the user terminal in the target region; querying whether the user terminal has a historical network quality level in the target region; if the user terminal has the historical network quality level in the target region, obtaining the historical network quality level, and evaluating network quality of the user terminal in the target region according to the historical network quality level and the target network quality level.