The present invention provides a method for realizing dynamic call service on a mobile phone, the method provides a memory free dialing means for mobile users who, by pressing only one button, are able to directly reach the roaming place full function service center which provides localized and personalized full function services, such as manual services, services of maintaining phone number book, hall calls, recording and classifying hall calls, re-call history calls, finishing and reusing service list (the record of service history of meal ordering, ticket booking, etc.), services based on position, etc., which are needed by users; so that user gets passionate service; meanwhile the roaming communication fee is saved.