The cool wind blows on the day of Start of Autumn. Start of Autumn represents the formal arrival of autumn. The temperature is still high during the day, but the temperature difference between day and night increases. People are prone to suffer from yin summerheat due to the alternation of heat and coolness. After the whole summer consumption, it seems very necessary to tonify the body. At this time, when human body resistance is at its weakest, eating more food that can enhance human immunity is the key to a healthy diet for Start of Autumn.