In the design of nitrogen fertilizer project,liquid ammonia tank area as a design priority plays a crucial role in the safe operation of the whole project.The main design points of liquid ammonia tank area include tank selection,equipment arrangement,piping arrangement,and safety design of supporting facilities,etc.In this paper,based on the relevant design norm for liquid ammonia,the design points of liquid ammonia tank area are sorted out to provide a systematic theoretical reference for the project design of liquid ammonia tank area.