bracelet and t-shirt. Music festivals will be held because bracelets and T-shirts are common souvenirs of music festivals. The cost of bracelets is not high, and the signs and themes of performances can be affixed. T-shirts can be printed with the patterns of performances, artists' names and songs, etc., which are very attractive to guests and are very easy to sell. Music Festival is a temporary musical performance, which has the necessary conditions of temporary existence, multiple artists performing in turn and a large number of people.