Millet (scientific name: sporobolus fertilis (Steud. ) W.D. Clay. ) belongs to Gramineae, a perennial plant. East, Central, Southwest, Shaanxi, Gansu, Tibet and other provinces; Born in wet places of fields, grasslands on mountain slopes, valleys and forests at an altitude of 120-2600 meters. Distributed in India, Myanmar, Sri Lanka, Thailand, Vietnam, Malaysia, Indonesia, the Philippines, Japan, the Soviet Union and other places.