In Frozen Shoulder (adhesive capsulitis), there is stiffness, pain and limited range of movements. It may happen after an injury, overuse of joint, from a disease such as diabetes or a stroke. Diabetes mellitus is a group of metabolic disorder with involvement of musculoskeletal system. In which most common is frozen shoulder. In frozen shoulder raise sugar in blood stick to collagen and restrict the movements. In first stage of frozen shoulder, Inflammation of capsule is present with severe pain.

          Various diseases like Shoulder Impingement, Frozen Shoulder, and Rotator cuff tendinitis have resembling symptoms under the umbrella of disease Avabahuka described in Ayurveda. In Avabahuka there is Vata-Kapha dushti still Leech application was carried out in first stage of Frozen Shoulder. Leech application is indicated in Pittaj Dushthi and Hirudine present in saliva of Leech helpful in platelet aggregation inhibitor. Hence increase in blood supply to shoulder region may arrest fibrosis of capsule. Aim- Study the efficacy of Leech application in Frozen Shoulder in Diabetes Mellitus. Objective- To study the efficacy of frequent Leech application in the management of pain and range of motion of shoulder joint in Diabetes Mellitus. Hypothesis- Leech application is effective in Frozen Shoulder caused by diabetes Mellitus.