Abstract Background The utilization of e-health in healthcare interventions has become increasingly prevalent due to its cost-effectiveness. Nevertheless, there is a paucity of evidence regarding the use of e-health in children, as the majority of e-health interventions are focused on adults. This study aimed to identify the components and effects of e-health intervention for the promotion of children’s health and to suggest strategies for their implementation. Methods A systematic review was conducted in accordance with the PRISMA guidelines. A literature review of relevant studies published between January 2013 and November 2023 was conducted. A search of databases including PubMed, EMBASE, CINAHL, MEDLINE, and Cochrane Review Library was conducted using a combination of medical subject headings (MeSH) and keywords. A qualitative appraisal of the studies was conducted using the revised Cochrane risk-of-bias tool for randomized trials (RoB 2). Results Sixteen studies were selected. Most studies showed good methodological quality. The majority of studies (n = 15) focused on improving children’s physical health, while only one study focused on mental health. There were a variety of components to the intervention, including internet education, web-based home-exercise, serious games, mobile apps, email counseling, and active video games, and only one type of intervention was provided, or a combination with additional methods such as phone calls and counseling. A review of the literature indicates that e-health interventions have been effective in increasing children’s physical activity, reducing weight, relieving stress, and reducing depression. Conclusions This study identified the effectiveness of e-health interventions for improving children’s physical and mental health. The use of e-health to promote children’s health should be actively developed and implemented in a variety of clinical and community settings. Key messages • E-health interventions have been demonstrated to be an effective means of improving the physical and mental health of children and adolescents. • It is recommended that health promotion interventions utilizing e-health be developed and tested in a variety of communities and settings for children and adolescents.
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