The three legendary emperors Shen Nung, Haung Di and Hussi are traditionally believed to have been the originator of acupuncture. Haung Di Nei Jing the yellow emperor’s classic of internal medicine is believed as first book on of acupuncture.

Most important concept of acupuncture is that of natural balance. According to the classical theory the human body as well as other living things has a natural flow of life force (Qi) through out it. These life forces consist of to opposite, yet interdependent aspect called Yin and Yang. Qi is said to travel the body along certain path ways called meridians and collaterals. There are 14 meridian and 15 collaterals where Qi flows constantly maintaining normal balance and harmony within the body thus ensures the normal health.

The flow of Qi is insufficient unbalanced or interrupted because of number of factor inducing different pathogenic factor in the nature like wind, cold, heat, fire ,damp, dryness, emotional states such as anxiety, stress, anger, fear, grief, poor, nutrition, hereditary factor, infection and trauma cause imbalance between Yang and Yin that is illness. Selecting the specific acu-points to inserts the needle to maintain the natural free flow of Qi and balancing the Ying and Yang is the main theme of acupuncture. Points should be selected according to the causative factors.

Now acupuncture becoming most popular with scientific research and explanation. Many scientist and neurophysiologists are involving on research. China Japan America, Canada, Australia and many European countries are carrying out intensive scientific research. There are main six different objective of acupuncture. Analgesic effect is achieved by raising pain threshold on acupuncture. There is also the involvement of natural painkillers released like endorphins, morphine, serotonin from pituitary and mid brain Raphe mechanism. Sedative effect is done by inserting the needle into the specific point’s shows decreasing in delta and theta waves activity which cause the sedation the patients.

Acupuncture produces the balance activity of sympathetic and parasympathetic out flow of autonomic nervous system also balances the endocrinal secretion known as homeostatic balance.Acupuncture on certain points increase leucocytes, antibodies, gamma globulins and other substances which increase the resisting power of body by enhancing immunity.

Psychological well being is also achieved because acupuncture act on mid brain reticular formation and other specific axis of the brain cause the calming and tranquilizing action some research reported on the involvement of metabolic chemistry or brain tissue like dopamine contents of brain increase after acupuncture. Motor recovery is also achieved because acupuncture act to stimulate the anterior horn cells and their reactivation though a bio- feedback mechanism, operation Renshow and cajal cells of the spinal cord or the cranial equivalents.