The shell of China omphalia is15mm high and 25mm wide. There are 7 to 8 spiral layers, each spiral layer does not expand, but the width grows slowly. The upper spiral layer forms a wide conical spiral part, and the top of the shell is blunt. It is the largest native snail in China.

China snail is a unique snail species in China. The shell of Umbilicus sinensis is medium-sized, thick and firm, and it is flat and wide conical.