The utility model discloses a sow locating railing is used in delivery room, this locating railing reaches and connects locating railing qianmen, the locating railing back doors of connecting two location side fences respectively including the location side fence of installing two parallel arrangement on the locating railing bottom, inclining to hang through the bracing piece between fence and set up and supply the sow to sting the ironware of object for appreciation in this two location, still is provided with the rubber that satisfies sow nest building behavior in the locating railing and stings the object for appreciation ball, and the setting helps under the sow crouches and the assistor of standing on at least one location side fence, the inboard on location side fence is installed through horizontal straight tube along the horizontal direction to the assistor. Sow locating railing is used in delivery room have simple structure, make conveniently, the pig farm management of being convenient for can improve sow living environment, improves the sow welfare, and prevents advantages such as the piglet is killed.