Objective To make full use of the resources of grassroots and top professional pediatric hospitals,establish a two-way referral platform for children's mental health care in Beijing,in order to provide convenient diagnosis and comprehensive intervention management services for children with psychological development deviation and suspicious behavior problems,so as to achieve the ideal result.Methods Through the platform,558 referral samples with psychological development deviation and suspicious behavior problems,who transferred from 16 district-level early childhood development centers from November 9th,2018 to December 31st,2019 were enrolled in this study.And their related data on comprehensive intervention,regular monitoring and follow-up management provided by children's health center were analyzed to carry out practical research and support preliminary assessment of the platform.Results Totally 524 cases (93.91%) with psychological behavior problems were diagnosed in the children's health center,through the way of inner collaboration to complete the diagnostic development assessment,medical behavior observation and necessary examination of causes in 558 referral samples.The top four types of the confirmed cases included overall retardation (301,53.94%),language retardation (119,21.33%),autism spectrum disorders (61,10.93%) and motor development delay (29,5.20%).Regular follow-up indicated that 408 (77.86%) children received various forms of rehabilitation interventions in the health center and the district child development center,and the efficacy rate was 29.77%.Conclusion As a successful practice to optimize the model of children's mental health care,this platform fully integrates multi-level and multi-discipline medical resources,carries out efficient two-way referral,implements comprehensive intervention management,facilitates and benefits the people.