In order to make business decisions of foreign corporations in Vietnam, the following factors will affect, firstly, Vietnam has abundant human resources of working age, up to 67.7% of the population in Vietnam. 98.51 million people in 2021. Vietnam's economic situation is developing, such as actively participating in FTAs that Vietnam has signed in recent years, the Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP) signed in March 2018, the Free Trade Agreement between Vietnam and the United Kingdom (UKVFTA) signed in London on December 29, 2020 and the latest is the Regional Comprehensive Economic Partnership Agreement. (RCEP - also known as ASEAN+6) signed on November 15, 2020 is about to come into force. With the current situation, Vietnam is in the process of international integration with rich human resources that are suitable for making business decisions of foreign corporations with favorable factors but also other factors. Adverse factors such as the 4.0 technology race with the latest technologies in production and business, but skilled human resources to use are still limited. From the analysis of factors affecting the business decision-making process at foreign corporations operating in Vietnam recently, the article will analyze in depth the factors affecting the business decision-making process. and solutions to overcome the influencing factors.