The North American holly intelligent packaging assembly line and constant temperature preservation warehouse built with the project are in progress in an orderly manner. Through automated assembly line operation, the manual touch rate is reduced, and the packaging is directly transported to the cold storage for storage, which minimizes the fruit drop rate during the packaging process of North American holly; after cutting branches, it can be stored in the constant temperature fresh-keeping warehouse until March and April, which is greatly extended The viewing period and aesthetics have been extended.