The boundaries of life are real. The full name of Boundaries of Life is Boundaries of Life: A Case Study of Dr. Liu's Health Care and Self-treatment in China. These are effective interviews and investigation reports, and they are all real cases, so the boundaries of life are real. The Boundary of Life: A Case Study of China Taiyi Self-treatment —— Liu Taiyi's survey involved 1000 health practitioners. The book "Saving Life, Maintaining Health and Promoting Family Happiness" brings together the life adventure stories of the respondents.