Inclusion Criteria:  Those diagnosed with myofascial pain syndrome according to Simon's criteria Pain is 4 points or more on the Numerical Rating Scale (NRS)  Exclusion Criteria:  Pain is due to trauma, fibromyalgia and neurological disorders including neuromyopathy, myelopathy, and stroke If you have received injection treatment for trigger points within the last 2 months or have had surgery on the painful area within 1 year If there is a high risk of bleeding due to severe coagulopathy, etc. or if you have recently had severe bleeding (except taking antiplatelet) If you have a tumor, infection, kidney failure, severe liver disease, epilepsy, skin disease, or mental retardation