Backgroud this paper is to explore the influencing factors on utilizing physical examinations (PE) for the seasonal immigrants who moved from their home town to Sanya city in Hainan province in China during the winter . Methods A total of 1342 seasonal immigrants (aged 50 or over) were randomly selected and surveyed through a standardized questionnaire. Using an adjusted logistic regression model to identify the factors associated with the use of PE for those immigrants. Results We found the utilization rate of PE among seasonal immigrants is 26.80%. The level of education, living time, the availability of health insurance, and the attitude to the quality of health service were influencing factors( p < 0.05) . Conclusion The results imply seasonal immigrants have a low utilization rate of physical examination. To improve the availability of health insurance and the quality of health service will be helpful to keep the health of the seasonal immigrants in Sanya .