Regarding standardized pig farms, in order to prevent the spread of diseases, it is stipulated that personnel shall not be on duty, and pig fatten crate breeders are no exception. When a person goes out to work, returns from vacation or the breeder goes to work normally, he must bathe and change clothes in the corresponding changing room before entering the pig house before entering the pig house. Necessary quarantine is required after going on vacation or going to work. Generally, the quarantine time is 48 hours. Therefore, pig fatten crate must be equipped with a special locker room to prepare for entry and use to prevent the introduction of pathogens.