It is a dual-purpose apparatus to diagnose and treat diseases. Based on the CD-9X common type , it has been added the function to diagnose diseases with a prober-pen to be put onto palm acupuncture points , body early-stage pathological change(s) even tumor(s) could be diagnosed in a few minutes. The average person can become a skilled doctor of traditional Chinese Medicine in learning it for some minutes. It is a very good " doctor" of health care at home.