Heat insulation ceramic cup

The utility model relates to a heat insulation ceramic cup which comprises a cup body, the cup body comprises an outer cup and an inner cup, the outer cup is provided with a first containing cavity, the inner cup is provided with a second containing cavity, the inner cup is detachably installed in the first containing cavity, and a blocking space is formed between the inner cup and the outer cup.An annular step is formed on the inner side wall of the outer cup, an annular outer flange used for being erected on the annular step is formed at a cup opening of the inner cup, an annular groove isformed in the annular step, the outer edge of the annular outer flange extends downwards and is embedded into the annular groove, and a sealing cover is detachably installed at the cup opening of theouter cup. The bottom of the sealing cover is sleeved with a sealing gasket, and the outer edge of the sealing gasket is tightly attached to the inner side wall of the inner cup. The heat insulation ceramic cup is simple in str