Prolotherapy, which is a complementary medicine treatment method used for almost a century in the treatment of chronic musculoskeletal diseases, has become popular both in Turkey and in the world in the last ten years. Prolotherapy treatment may have become more common due to increasing chronic musculoskeletal diseases caused by long life spans or due to the increased prominence of regenerative injection methods. Prolotherapy practitioners is saying that " prolotherapy provides improvement in pain and functions, increases the quality of life by treating the disease ". It is believed that the number of publications is low due to the fact that these practitioners work more in private all over the world. However, with its widespread use recently, it is becoming more evidence-based therapy method. For the treatment to be effective, subjects such as what prolotherapy is, how it is applied, and appropriate patient selection should be well known. In this review, information supported by current literature about prolotherapy treatment has been tried to be conveyed.