It's different. Unified social credit code is a unique logo issued by the State Administration for Industry and Commerce to enterprises and other organizations, which is used to identify and distinguish different enterprises and organizations. The tax number is the only identification issued by the tax authorities to taxpayers, which is used for taxpayer identification and tax collection and management in tax management. Although the unified social credit code and tax number sometimes overlap, they are different identification codes, so the unified social credit code and tax number are different.