The "Midi Festival" is the first original music festival in China founded by Beijing Midi Music School, the birthplace of China's underground rock bands. After more than ten years of development, has become one of the loudest brands in modern music. Every year, dozens of well-known bands at home and abroad are invited to perform, and tens of thousands of enthusiastic music fans flock from all over the country. More than a hundred well-known media at home and abroad are paying attention to its developments and competing to report on it. According to the news, Midi is also known as China's "Woodstock".

In 2014, the United Nations Representative Office in China, the United Nations Development Program and the Midi Music Festival cooperated for the first time to spread positive energy through music, allowing more young people to understand and have the opportunity to be exposed to the work of the United Nations, and further Establish a positive image of the United Nations among youth groups. This cooperation is carried out in both online and offline aspects. The United Nations Development Program hopes to use the power of music and social media to popularize the importance of sustainable development to the Chinese public, especially young people. Sing the concept of environmental protection, raise public awareness, and build a cleaner and greener future. This cooperation between the United Nations and the Midi Music Festival also includes setting up the United Nations stage during the Midi Music Festival in Shanghai and Beijing, and inviting domestic and foreign bands to perform on the stage. The United Nations stage has become a highlight of this Midi Music Festival.