GuoJing is an author of picture books and graphic novels. She is renowned for her award-winning wordless picture book titled The Only Child, which has received several international awards. The book was included in the year-end best books lists of New York Times, Publishers Weekly, The Wall Street Journal and USA Today in 2015. In addition to The Only Child, she has published other books, such as Stormy in 2019, and a graphic novel called The Flamingo in 2022, the graphic novel "Oasis" in 2025.