The article analyzes and clarifies the position and role of business households in the system of business entities in the market economy in Vietnam. From its small-scale position, restrictions on the rights to use labor and business locations, current Vietnamese laws have established provisions to ensure equality in legal status, autonomy, and self-responsibility on business transactions of business households. However, the business household is built and managed on the basis of the family, the members of the business household both show blood relation and economic relation. Therefore, the family traditional cultural factors have a huge impact on the internal and business relations of household businesses. The traditional family relationship, and the relationship among the members (of the business household) in the business relations related to asset liability and the development support policy of the State will form the pillar to promote the development of household businesses to become an important and indispensable part of the market economy and international integration in our country currently.