Nutritional status of women during pregnancy will have important influence on pregnancy outcome，fetal growth and development and infant's health after adulthood.In this research，Hangzhou pregnant women and maternal health workers were the research object.Questionnaires and semi-structured interviews were used to investigate the nutritional knowledge，attitudes and behavior of pregnant women in Hangzhou.The influence factor，existing problems and causes of pregnant women's nutritional status were analyzed.Combined with maternal health workers interview data，a series of measures and recommendations were offered to try to improve the nutritional management of pregnant women in Hangzhou.