Introduction: Playing certain kinds of musical instruments may cause disturbances around the oral cavity. Blowing activity in wind players involves contractions of the muscles around the mouth. Continuous or repetitive muscle contraction can cause muscle fatigue that triggers the onset of symptoms of temporomandibular joint disorders (TMD). The aim of this study was to determine the description of diagnosis of TMD in wind players. Method: The research was conducted to 30 brass instrument players at Gema Wibawa Mukti Marching Band Community (22 boys, 8 girls) aged 13-27 who had been actively playing wind instruments in the last 6 months. The research method used was descriptive. Examination and diagnosis were based on physical examination category and the algorithm of DC-TMD Axis I revision of 2014. Results: The results showed that for 30 samples of wind players, the number of diagnose of Group Ie (arthralgia) was 4 players, Group IIa (disc displacement with reduction) was 8 players, and Group III (degenerative joint disease) was 4 players. Conclusion: The conclusion of this study was 43.33% of wind players at Gema Wibawa Mukti MBC suffered from temporomandibular joint disorders, in which the highest diag-nosis was disc displacement with reduction, followed by arthralgia and degenerative joint disease.