‘Xiyu No.1’ is a new celery cultivar which was certificated and registered by Shaanxi Committee for Crop Variety Registration in October 2009.The study of experiment and demonstration on the whole-year cultivation technique of ‘Xiyu No.1’ was carried out for many years in Xi′an Sanqiao Farm，Xi′an Modern Agricultural Science and Technology Center，Gaoling，Yanliang and Zhouzhi,a whole-year cultivation techniques of celery cultivar ‘Xiyu No.1’ for Guanzhong area was summarized，which could provide the technical guidance for the promotion of ‘Xiyu No.1’.