The luminous balloon is beautiful and dreamy at night, and children and many girls like it very much. It will be good to sell business in the square near the business circle or in places with heavy traffic at night. The key is publicity. Generally, young couples or young couples will buy them to please girls, so we must first convince boys to take the initiative to buy them for their lovers. Those who like to take pictures will also buy them, creating an atmosphere when taking pictures, which is very beautiful and romantic. Under normal circumstances, as long as one person buys, there will be a group of people around to watch, and everyone has herd mentality.