Yiren Danyi is a comprehensive health care instrument. Its principle is to combine many traditional Chinese medicine techniques, such as acupuncture, scraping and cupping, as well as modern science and technology, such as electronic pulse and infrared ray. The instrument can stimulate human meridians and acupoints, promote blood circulation, and relieve various unwell symptoms, such as cervical spondylosis, lumbar spondylosis, shoulder and neck pain, lumbago and leg pain.