The acupuntura is called in some countries alternative medicine. 
It comes from China since more than 2000 years ago approximately. The word acupuntura describes a family of procedures involving simulation of anatomical points of the body by a variety of techniques. 
The evidence that the acupuncture is an acceptable medical procedure:
1) Many people around the world have reached a good health using it. 
2) The U.S. Food and Drugs Administration (FDA) approved it for use by licensed practitioners in 1996.