A polished rabbit can give birth to a rabbit when it is 5 to 8 months old. Generally, after the sexual maturity of the polished rabbit, the female rabbit has no obvious estrous cycle. When it is in heat, it will become more lively and active, often standing on its hind legs and holding its tail up. Especially during this period, the male rabbit's urine will smell stronger than usual. When the female rabbit is in heat, she will make a sound of Dongdong on her back feet and become restless.

The pregnancy period of a polished rabbit is about 30 to 38 days. During pregnancy, the male rabbit should be separated. The owner can lay hay in the cage and surround the cage with cloth to keep the female rabbit quiet and stable. A polished rabbit female rabbit can give birth to an average of 4 to 8 baby rabbits in one litter. When the baby rabbit has not left the mother rabbit, it is best for the owner not to touch it. Once the smell of a stranger gets on the little rabbit, the panicked female rabbit may kill the little rabbit.