It is regularly contended that ideology assumes a critical part in deciding nations' foreign arrangements. Be that as it may, got meaning of ideology, which considers it to be an arrangement of convictions or thoughts regarding the world makes for insuperable issues in mapping forward and backward amongst ideology and world. Rather, ideology can conveniently be thought of as solidified in policy instruments: authoritatively organized action successions, in which issues are connected, basically, to their solid arrangements. To comprehend the determinants of a person's ideology, a base up, esteem driven approach is utilized that investigates impacts that are both psychological (values, convictions, attributes) and sociological (gatherings, condition). The main aim of this paper is to study about the ideology formation of policy related with foreign. This paper gives the meaning of ideology and foreign policy.