A platform and a method for dynamic software license are disclosed. The dynamic software license platform comprises a license pool, a register manager, a user configure unit and a license manager. The register manager receives a software application from a user end. The user configure unit grants a setting permission to the user end in response to the software application, and allows the user end to submit a license setting according to the setting permission. The license manager adds the software license provided by the software supplier to the license pool, and dynamically provides the software license from the license pool unit according to the license setting.