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The Lancet Psychiatry

by mental health professionals in medical institutions, universities, and academic societies throughout all 31 provinces, municipalities, and autonomous regions in mainland China, which provide free 24-h services on all days of the week.Online psychological self-help intervention systems, including online cognitive behavioural therapy for depression, anxiety, and insomnia (eg, on WeChat), have also been developed.In addition, several artificial intelligence (AI) programmes have been put in use as interventions for psychological crises during the epidemic.For example, individuals at risk of suicide can be recognised by the AI programme Tree Holes Rescue, 5 by monitoring and analysing messages posted on Weibo, and alerting designated volunteers to act accordingly.In general, online mental health services being used for the COVID-19 epidemic are facilitating the development of Chinese public emergency interventions, and eventually could improve the quality and effectiveness of emergency interventions.

Online mental health services in China during the COVID-19 outbreak