Pregnancy is also called the gestational phase is a physiological process experienced by a woman. There are various factors that can influence the mother in undergoing her pregnancy including knowledge, attitudes and behavior. The purpose of this study is to see the relationship between knowledge and attitudes of pregnant women with COVID-19 prevention behavior. Research design using Literature Study. This study was obtained from 3 databases, namely Google Scholar, Oxfox Academic and PubMed using inclusion and exclusion criteria. The keywords used in this literature search include: : "knowledge, attitudes, behavior, pregnant women, the COVID-19 pandemic". Of the 64 journals identified, this study analyzed 10 journals that met the criteria. The results showed that from 10 studies obtained, there was a relationship between knowledge and attitudes of pregnant women with COVID-19 prevention behavior. Knowledge is an important factor for pregnant women because it can affect the attitudes and behavior of mothers during pregnancy. So that it is hoped that optimal education from health workers for mothers can live their pregnancy in a prosperous manner so that mothers and fetuses remain healthy during the COVID-19 pandemic.