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Background: Although existing studies have shown that both repetitive transcranial magnetic stimulation (rTMS) and music therapy have advantages in the treatment of non‐fluent aphasia, the efficacy of the combination of these two methods remains to be investigated. Aims: To investigate the clinical efficacy of low‐frequency rTMS combined with music therapy on language function and depression in patients with non‐fluent aphasia after stroke. Methods & Procedures: A single‐blind parallel randomised controlled trial was conducted. Sixty patients (mean duration = 93.78 days) with non‐fluent aphasia after stroke were randomly divided into a traditional therapy group (n = 20), a music therapy group (n = 20) and a combined therapy group (n = 20, 1 Hz). The language function and depression were evaluated before and 3 weeks after treatment with the Chinese version of the Western Aphasia Battery scale, Boston Diagnostic Aphasia Examination scale and Stroke Aphasic Depression Questionnaire Hospital Version scale. Outcomes & Results: The combined therapy group was significantly better in all outcomes than the traditional therapy group and was significantly better in depression than the music therapy group. The music therapy group was significantly better in repetition and depression than the traditional therapy group. Language improvement was positively correlated with depression improvement. For adverse events, only two patients in the combined therapy group showed slight dizziness during rTMS treatment and their symptoms improved after rest. Conclusions & Implications: Our preliminary randomised controlled study indicates that low‐frequency rTMS combined with music therapy is feasible and safe in improving language function and depression in non‐fluent aphasia patients after stroke. WHAT THIS PAPER ADDS: What is already known on this subject: Repetitive transcranial magnetic stimulation (rTMS) and music therapy respectively have advantages in the treatment of non‐fluent aphasia after stroke, but whether the combination of the two methods is more effective is still unknown. What this paper adds to the existing knowledge: This is one of the first randomised control trials to investigate whether the clinical efficacy of low‐frequency rTMS combined music therapy for non‐fluent aphasia is better. The findings show that low‐frequency rTMS combined music therapy is superior to traditional therapy in spontaneous speech, auditory comprehension, repetition, naming, aphasia quotient, functional language level and depression, and superior to music therapy in depression, while music therapy is superior to traditional therapy in repetition and depression. What are the potential or actual clinical implications of this work?: Low‐frequency rTMS combined music therapy may be a better method for treatment of non‐fluent aphasia. [ABSTRACT FROM AUTHOR]