Li Jieying's publicly available information is limited; the only confirmed details are the name used as author and one health-related work. The representative work is What to Eat and What to Avoid for Chronic Diseases: A Quick-Reference Guide. As the title suggests, the book addresses people with chronic conditions, taking dietary dos and don'ts as its starting point and using a quick-reference, comparison-based format to help readers decide which foods are suitable and which should be avoided in daily meals. The writing emphasizes practicality and ease of use, with plain language and a clear structure suited to browsing. Based on the available evidence, Li Jieying's writing focuses on popular health education and dietary guidance, serving ordinary readers' needs for self-management and offering practical value in the niche of everyday dietary reference for chronic diseases.