Objective:To explore the information behavior motivation of pregnant women with gestational diabetes and provide a basis for constructing an information behavior demand assessment system and health education strategies.Methods:Using the purpose sampling method, from December 2019 to February 2020, semi-structured interviews were conducted on 9 pregnant women with gestational diabetes and 11 pregnant women with gestational diabetes who were hospitalized in the obstetric outpatient department of our hospital, and used Colaizzi's 7-step analysis Methods classify and analyze the data, and extract themes.Results:The analysis extracted 6 themes, namely, information support in the whole process, information expectations, self-care information needs, information credibility, information judgment ability, and behavior change motivation.Conclusion:According to the motivation of information behavior change of pregnant women with gestational diabetes, appropriate educational methods are adopted to stimulate their effective information behavior practice, and targeted nursing care is provided for continuous health education needs.