Eggplant is a bisexual flower, including calyx, corolla, stamens and pistil 4 parts. Eggplant flowering time varies depending on the temperature, light, moisture and other conditions, sunny days, temperature, moisture and other conditions are suitable when the morning around 5:30 a.m. flowering, about 7:00 a.m. to open the medicine. Flowering can last 3 to 4 days, the night flower is not closed, from the day before the flowering to the flowering of 3 days after the ability to fertilize, so the solar greenhouse winter and spring crop cultivation of eggplant, although sometimes the temperature is low, can still sit fruit. Eggplant is generally self-pollinating, pollination and fertilization late, pollination on sunny days from 7 to 10, pollination only in the afternoon on cloudy days.