The utility model discloses an animal feed system and plant. Animal feed system includes: radio frequency identification subassembly, host computer and electronic banister, radio frequency identification subassembly are used for setting up the entrance in the feed district, and upper computer connection for read the information in the RFID card of taking on the animal of treating the feed, and with information transmission to the host computer that reads, memory cell in the host computer is used for saving the prestored information of the animal that the feed district corresponds, and the comparing element in the host computer is used for comparison information and prestored information, electronic banister is used for setting up the entrance in the feed district, and upper computer connection, electronic banister is according to comparing element's comparative result and allow the animal gets into the feed district. The utility model discloses an information in the RFID card that animal feed system only took on the animal is during with the prestored information phase -match, and electronic banister is just allowwed the animal to get into to distinguish the feed to carry out the feed to the animal, make the animal acquire weight assorted fodder and nutrition with it.