A tank cover lifting tool is configured to remove or attach tank covers. The tank cover lifting tool includes a handle center support, a first handle connected to one end of the handle center support, and a second handle connected to another end of the handle center support. In addition, the tank cover lifting tool includes a first lifting block that is locked on the handle center support and that is configured to engage a first tank cover handle of a tank cover. Further, the tank cover lifting tool includes a second lifting block that is locked on the handle center support and that is configured to engage a second tank cover handle of the tank cover.