The treatment principle: How to Perform Laser Acupuncture Laser Acupuncture Pen is the non invasive laser acupuncture based on traditional Chinese medicine theory and modern organs and meridian. Simply use the laser pen irradiation on affected areas or certain acupoints, and it will release an electric pulse to stimulate the meridian and acupuncture points in your body for healing and pain relief. Alternative treatment. It has no side effects as opposed to using painkillers and other medications to treat chronic pain.