Milk seed is a deciduous shrub belonging to the Euphorbia genus in the Euphorbia family. Branches with thorns, small branches very open, densely covered with silver white and yellow brown scales when young; Leaves are papery or membranous, ranging from elliptical to ovate elliptical or ovate lanceolate in shape, with a pure pointed tip and a rounded or wedge-shaped base. They have white star shaped hairs or scales when young, and are densely covered with silver white and a small amount of brown scales below; Flowers bloom before leaves, yellow white, fragrant, densely covered with silver white shield shaped scales; The fruit is nearly spherical or oval in shape, green when young, covered with silver white or brown scales, and red when mature. The flowering period is from April to May, and the fruiting period is from July to August.