The 2019 novel coronavirus disease (COVID-19) epidemic in China has presented substantial challenges to traditional forms of mental health service delivery. This review summarizes the expert consensus on the mental health treatment and services for severe psychiatric disorders during the COVID-19 outbreak developed by the Chinese Society of Psychiatry and other academic associations. The Expert Recommendations on Managing Patients with Mental Disorders during a Serious Infectious Disease Outbreak (COVID-19) outline the appropriate measures for psychiatric hospitals or psychiatric units in general hospitals, including the delivery of outpatient, inpatient, and community mental health services. The Expert Recommendations on Internet and Telehealth in Psychiatry during Major Public Health Crises (COVID-19) describe the assessment and treatment issues of internet-based mental health services during the COVID-19 outbreak. The expert consensus recommendations provide guidance for mental health professionals in managing psychiatric services during the COVID-19 outbreak in China. The experiences from China in addressing the challenges in the management of major psychiatric disorders may be useful and relevant to other countries who are combating the COVID-19 pandemic.