Trade liberalization is one of the key issues in today's Nepalese economy. It has been playing key role in increasing government review of the country. The purpose of this study is to show the relationship between trade liberalization and revenue of Nepal Government. Different economic models have been used for analysis purpose. The research results show that there are significant impacts of trade liberalization on revenue of Nepal Government. Some of the parameters have positive significant impact whereas some of them have no impact on government revenue.