Abstract: In order to select good quality and high yield purple sweet potato varieties which were suitable for chip processing, eight purple sweet potato varieties were introduced and tested in 2011 compared with Yamakawamurasaki, the economic characters, biological characteristics and the food quality were the standards to select and evaluate. The results showed that, the performance of‘Jingzi No.6’and‘Guizi No.12’were better than other varieties, they had higher fresh yield, which were 30214.5 kg/hm2 and 28042.5 kg/hm2, respectively, increased by 58.2% and 46.8% compared with control, and the commodity potato rate, which were 88.2% and 86.3%, was higher than other varieties, and they also had medium and neat tuber size and better taste. The two cultivars were the selected varieties which were suitable for chip processing in biology characters, economic characters and tastes.