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Objective To explore the diagnostic value of quantitative and qualitative parameters of rotator cuff space enhanced magnetic resonance scanning for adhesive arthritis. Methods 103 patients with complete arthroscopic results and enhanced magnetic resonance examination data (49 patients with adhesive arthritis, 54 patients in the control group) were selected. Using the arthroscopic results as the standard, the rotator cuff space was enhanced and the subcoracoid fat disappeared., The width of the rotator cuff gap and its thickness, the thickness of the coracohumeral ligament. Results Whether the rotator cuff gap was strengthened, whether the subcoracoid fat disappeared, the width and thickness of the rotator cuff gap (RI), and the thickness of the coracohumeral ligament were statistically different in the diagnosis of adhesive arthritis group and normal group (P<0.05). Whether the sleeve space is strengthened, whether the fat under the coracoid process disappears, the Kappa value is 0.98, 0.97, the sensitivity is 100%, 95.9%, the specificity is 77.6%, 96.3%; the RI width and thickness, and the thickness of the coracohumeral ligament ICC value 0.82, 0.81, 0.84, RI width cut-off value 11.95 mm, sensitivity 82%, specificity 90%, RI thickness cut-off value 5.95 mm, sensitivity 92%, specificity 90%. Conclusion The qualitative and quantitative parameters of the rotator cuff gap are strengthened, the fat under the coracoid process disappears, and the width and thickness of the rotator cuff gap are helpful for the diagnosis, evaluation and precise formulation of treatment plans for adhesive arthritis. [ABSTRACT FROM AUTHOR]