Abstract: When numerous reasons behind the obesity problem, such as eating junk food, consuming too many calories, sedentary lifestyle, and other individual-centric causes may not be easily erased, several factors were found to lead people to better healthy eating habits and lifestyles. This study was designed to test a proposed model that consisted of various dynamic factors toward healthy food choice. Results showed that online search for nutrition information was significantly affected by obesity knowledge, but not by BMI. Then, online search for nutrition information would affect healthy food choice, while self-efficacy also promoted healthy food choice. Moreover, online search for nutrition information and self-efficiency jointly yielded a significant impact on healthy food choice. Both practical and theoretical implications were discussed.