Abstract: The location based service (LBS) is a promising application and the users’ intentions towards it will affect the development of LBS Based on TAM, two variables are introduced: privacy concern and service experience The result revels: 1) privacy concern negatively affects the attitude towards usage, but it has no significant effect on users’ intentions; 2) service experience positively affects the intentions to use LBS To attract new users, the enterprises should improve service quality to enhance users’ service experience, and meanwhile also need to protect the users’ privacy to improve their perceived value

Key words: location based service, privacy concern, service experience, TAM