Abstract: The mental health in China is booming under the guidance of the government.There is an urgent need for scientific and accurate assessment of the population's mental health status and for the provision of timely and effective mental health interventions and treatment services.However,traditional mental health assessment and intervention methods have limitations in its accuracy,timeliness and effectiveness.In recent years,the rapid development of artificial intelligence and big data technology has promoted the intelligentization of mental health services.This intelligentization process can ensure the evaluation and intervention in mental health conditions from a more ecological and convenient perspective,effectively making up for the limitations of traditional methods.In this paper,problems existing in traditional methods and the solutions provided by intelligent application will be discussed for the initial screening and diagnosis of mental health as well as the intervention and treatment processes.The problems and development trend in practical application during these processes will be reviewed as well.

Key words: artificial intelligence, big data, mental health assessment, mental health intervention