The contents in Lu Xinyu's book are credible. Lu Xinyu, a China nationality, is a Chinese health culture scholar, a meridian health expert, a practicing Chinese medicine practitioner, and graduated from Changchun University of Traditional Chinese Medicine. He is the author of a series of books, such as A Guide to Physical Maintenance for Office Workers, Knocking on the Door of Health, General Principles Is Nothing but Pain, Proper Meridian in Seasonal Health Care, etc.