The new soybean variety‘ Ningdou No. 4’ is developed by crossing‘ Ningzhen No. 3’ as female parent and‘ Sudou No. 8’ as male parent. It belongs to late maturing variety. It takes 95 days from sowing to pod harvest. Its emergence potential is strong and it can grow steadily. Its leaves are of ideal shape，the bottom one is elliptic，central one is long elliptic，and the top one is lanceolate. The leaf color is deep. The plant height is 75.2 cm. There are 13.4 nodes on the main stem，and 3.8 nodes on the branch. The single plant can have 67.2 pods，and the multi pod percentage is 65.9%. The standard pod rate is 312 pod·kg-1. The second seed pod is 5.6 cm in length，1.2 cm in width. One hundred fresh seed weight is over 70 g，and the kernel rate is 53.8%. The yield
of fresh pod is 11.14 t·hm-2，and the yield of fresh seed is 5.6 t·hm-2. The dry seed has oval shape with yellow peel and light hazel navel. The fresh pod is sweet and tender.‘ Ningdou No.4’ has high and stable yield with wide adaptability. It is suitable to be planted in Jiangsu Province and other areas with similar ecological conditions in spring as vegetable soybean.