Pregabalin is a non-profit country γ- GABA receptor agonist or antagonist is a new type of calcium channel regulator, which can block voltage dependent calcium channel and reduce the release of neurotransmitter. It is mainly used for neuralgia, post herpetic neuralgia and adjuvant treatment of adult partial epilepsy, generalized anxiety disorder and central neuralgia (including spinal cord injury, stroke and multiple sclerosis associated neuralgia) and fibromyalgia.