Recently, a healthcare system utilizing electronic technology is attracting attention in the world. People are becoming increasingly conscious about health. Current healthcare services increase health awareness by providing information, but don't utilize the information. Moreover, medical service has problem of lacking the concept of prevention. For those problems, this research proposes a lifestyle improvement support system which shows user how to use advices. At the time of shopping and cooking, the system provides advices that match user's context. By using the context, the system provides proper advices. This research built and evaluated a simulation system. The research evaluated whether the content of advices was utilized by the user, and whether the system provides advices timely. As a result of the evaluation, the system is provides advices at timing to use.