In the winter, the whole cover honey spleen and empty spleen in the hive can be put forward in time, or stored in the box, and the spleen is gradually concentrated in the nest box. The small area is placed on both sides, and the large area is placed in the middle. Each spleen should maintain about 500 grams of honey on the corners. There is no empty spleen in the hive, no new spleen, no measures to expand the hive, keep bee 9 to 10 mm, so that the hive intensive care of the spleen, continue to breed overwintering bees on the basis of the existing spleen.