The document discusses acupressure and acupuncture. It defines acupressure as applying manual pressure to specific points on the body, while acupuncture involves inserting thin needles into points. The document outlines the basic principles of Chinese medicine that acupressure and acupuncture are based on, describing the flow of energy through meridian pathways and how blockages can cause illness. It provides details on administering acupressure and acupuncture treatments, their mechanisms of action, effects, instruments used, precautions, and implications for treating mental illness.