Chili is an annual or limited perennial herbaceous or shrub plant in the Solanaceae family, also known as sweet chili, big chili, vegetable chili, millet chili, etc. Chili plants are 40-80 centimeters tall; The stem is nearly hairless or slightly furry, with branches slightly curved in a zigzag pattern; Leaves alternate, and the nodes at the top of the branches do not elongate to form twins or clusters. They are oblong ovate, ovate or ovate lanceolate, with the entire margin; Bent, calyx cup-shaped, corolla white, lobes ovate, anthers gray purple; The stem is drooping, the fruit is long and finger shaped, with a pointed and often curved tip. When immature, it is green, and when ripe, it turns red, orange, or purple red, with a spicy taste; Seed flattened kidney shaped, light yellow. The flowering and fruiting period is from May to November.