Abstract: Minglu No. 1 is the F1 hybrid from a self-imcompatibility line. Its main characteristics were that, strong resistance, 42 cm in plant height,green leaf color and smooth leaf surface. The shape of curd was half-circle, the cross diameter was 17 cm,vertical diameter was 14 cm. Its curd was compact, small buds with dark-green color, style was thin and each curd was 0.5 kg in weight.The growing period was about 70 days. Its axillary bud could never germinate before the main curd was harvested,so the whole plant could be harvisted continuously for 2～3 times.