Background: Depression is a common mental illness often associated with insomnia. Baduanjin exercise has been found to improve depressive symptoms and has also been found to have good effects on insomnia. However, there are no rigorous clinical studies to evaluate the effects of Baduanjin exercise on depressed patients with insomnia, so this randomized controlled trial will evaluate the efficacy of Qigong Baduanjin exercise in treating depression with insomnia.Methods: This is a prospective randomized controlled trial to investigate the clinical efficacy of Baduanjin exercise in the treatment of depression with insomnia. The included patients will be randomly divided into a treatment group and control group. The treatment group will be treated with Baduanjin exercise and the control group will be treated with oral mirtazapine. After 8 weeks of continuous treatment, they will be followed up for 3 months. Observed indexes included Pittsburgh sleep quality index, Hamilton expression Rating Scale score, and adverse reactions. Finally, the data are statistically analyzed by SPSS 20.0 software.Discussion: This study will evaluate the efficacy and safety of Baduanjin exercise in the treatment of depression with insomnia, and the results of this study will provide a clinical basis for the treatment of depression with insomnia.