Women drink acacia honey, also called locust honey and locust honey, which is a kind of honey. Sophora japonica honey is yellow in color, and there are few water-white ones. Transparent, with faint scent of Sophora japonica, not easy to crystallize. Robinia pseudoacacia, deciduous tree, 1-25m high; The bark is brown with longitudinal cracks. The pinnate compound leaves have 7-25 leaflets, alternate, ovoid or ovoid, 2-5.5 cm long and 1-2 cm wide, with a rounded or slightly concave tip and a rounded base. These flowers are white with red stripes on the calyx tube. The flowering and fruiting period is from April to June. In China, it has spread all over the vast areas of North China, Northwest China and Southeast China. Cultivated in 27 provinces (cities, autonomous regions) with 23 ~ 46 north latitude and 0/24 ~ 86 east longitude, with the middle and lower reaches of the Yellow River and Qinhuai River basin as the center. The flowering period is from late April to the south of the Yangtze River and from early May to mid-May to the north of the Yangtze River. The flowering period is short and concentrated, about 10 days. The fragrance of Sophora japonica can extract aromatic oil; Stem bark, roots and leaves are used as medicine, which has diuretic and hemostatic effects; It is also an important nectar source plant.