Novel ceramic vacuum thermos cup

The utility model discloses a novel ceramic vacuum thermos cup, which relates to a thermos cup, in particular to a stainless steel thermos cup with a ceramic liner. The novel ceramic vacuum thermos cup is composed of a ceramic liner and a stainless steel outer shell, wherein both the ceramic liner and the stainless steel outer shell are of a cylindrical structure with a closed bottom end and an open upper end; the side wall and the bottom part of the stainless steel outer shell are of a double-layer structure, a vacuumized thermal insulation interlayer is arranged in the double-layer structure, the stainless steel outer shell is sleeved outside the ceramic liner, and the outer surface of the ceramic liner is in contact with the inner surface of the stainless steel outer shell; the inner side of the upper end opening is provided with an inward-protruding annular inner convex edge, and the annular inner convex edge is clamped at the edge of the upper end opening of the ceramic liner; and a stainless steel cup r