In order to enrich crop resources of our country,Yacon was introduced into Yanbian area and its suitable cultivation technology studied.The results indicated that transplanting period was April 20th.It needs to be covered with film at transplanting.The density was 80cm×40cm.The yield was the highest and quality was high when the application of N、P、K was 202.47-221.09 kg/ha,96.6-143.4 kg/ha,193.91-286.09 kg/ha.