Abstract
The phase-2 commissioning of the SuperKEKB accelerator, a large electron-positron circular collider in KEK, has started since February, 2018. The vacuum system of the new positron damping ring (DR) and the main ring (MR) with a new particle detector has been working well for the most part. We will report the present status of the SuperKEKB vacuum system, especially focusing on the operational status during the Phase-2 commissioning, will be presented in detail.