Empty Valley in the Belly was written by Bai Juyi. According to relevant records, Bai Juyi, whose name is Lotte, was born in Xinzheng, Henan Province, a great realistic poet in the Tang Dynasty and one of the three great poets in the Tang Dynasty. I once wrote in Feeling Sick: I was sick in a cold room today, and there was no valley in my stomach. Broken as ebony, trapped as West Lake.