Abstract: ‘Yongan No 2’, an new and early-maturing pumpkin Fl hybrid was bred by college of horticulture，northwest sci-tech university of agriculture and forestry in 2000，with crossing Cucubita maxim D. inbred line 12-97-55 as female parent with early-maturing C.maxim D. inbred 1ine T98-6-3-9 as male parent．It has vigorous plant，and high-oblate fruits with green-white skin．Its yield is about32.46t/hm2 and is 21.7％ higher than that of ‘xiao mo pan(CK)’．The new pumpkins have high nutritive matter .The Cr3+ is 6.5 times higher than that of ‘xiao mo pan(CK)’．It has been extended to Shaanxi，Gansu，Hebei etc．