Abstract: Abstract：‘Yongan No 3’， an new and early-maturing pumpkin Fl hybrid was bred by college of horticulture，northwest sci-tech university of agriculture and forestry in 2003，with crossing Cucubita maxim D. inbred line Ps18-12-97-55 as female parent with early-maturing C.maxim D. inbred 1ine Js98-6-3-9-13 as male parent．It has vigorous plant，and high-oblate fruits with nacarat．Its yield is about40.08t/hm2 and is 26％ higher than that of ‘xiao mo pan(CK)’．The new pumpkins have high nutritive matter . It has been extended to Shaanxi，Gansu，Hebei，Xinjiang etc．