in 2018, xue released his ninth album “摩天大楼” "skyscraper", and continued his string of success. in this album, songs like “摩天大楼” "skyscraper" and “肆无忌惮” "reckless" incorporates different musical elements, while “最好” "the best" features a more balladic composition. in the same year, he started his “摩天大楼” "skyscraper world tour". he was the first singer from mainland china to headline the wembley arena in london, sydney super dome and several other landmark venues around the world.