The back of the Beishe rat is black, with soft and dense fur, and the abdomen has short white soft and fine hair, almost fluffy. The ears are large and distinct, and the beards are many and long.

The Beishe mouse is a nocturnal animal and an omnivorous animal. Eating young leaves, buds, or underground stems of plants. They are only active at night in crowded places, and they are not afraid of people in sparsely populated places.