2. Putting lanterns on Mid-Autumn Festival mainly means blessing. In ancient times, the meaning of Kongming Lantern was not only entertainment and blessing, but also very realistic military use. In many times of crisis in ancient times, Kongming lanterns played the role of conveying news and informing people. With the development of modern science and technology, the military function of Kongming Lantern is becoming less and less obvious. Nowadays, many places have the custom and habit of flying Kongming lanterns. Most of these customs and habits come from the extension of the military use of ancient Kongming lanterns, which have been completely transformed into the function of praying for blessings and wishes in modern times.