You must go to Xi 'an. This is a song written by a young boy. According to Tik Tok's information, "Go to Xi 'an often" is a popular tourist slogan to attract people to visit Xi 'an and feel the charm and culture of the ancient city. This sentence was also used as the name of a song, composed and sung by young old boys people, and posted on the vibrato platform. This song describes the scenery, food, history and culture of Xi 'an, and expresses the love and yearning for Xi 'an with a relaxed and pleasant melody.