ObjectiveTo analyze research status of influencing factors related to sun-protection problems in children and adolescents, and systematically review the influencing factors. MethodsWe electronically searched the following databases including The Cochrane Library, PubMed, Web of Knowledge, Ovid, EBSCO, EMbase, CBM, CNKI, VIP and WanFang Data to collect cross-sectional studies on sun-protection problems in children and adolescents up to December 2012. The criteria for cross-sectional studies recommended by AHQR was applied in the assessment of included studies. Then, qualitative analysis methods were used to systematically summarize information and results of the included studies. ResultsA total of 10 studies were included. The results showed that, the influencing factors of sun-protection behaviour in children and adolescents included gender, age, skin colour, eye colour, the mass media information, school health education, etc., of which, researches on gender, grade, light skin, eye colour were relatively more. ConclusionAt present, there are many studies about influencing factors related to sun-protection problems in children and adolescents while the target influencing factors differ in regions.