1, if the first use of ceramic casserole, you can now ceramic casserole inside the pour some vinegar, and then add water to boil, which can effectively remove the ceramic casserole lead, but also can play a disinfection effect.
2, or in the ceramic casserole inside the cooking rice, so that the ceramic casserole inside the tiny pores blocked to avoid seepage, to extend the service life of the ceramic casserole.