Normal swallowing requires the close coordination of respiratory movements. Effective respiratory movements can reduce the occurrence of swallowing disorders. Respiratory muscle training can enhance the strength and endurance of the respiratory muscles, alleviate respiratory fatigue, and improve the coordination between respiratory movements and the swallowing process. This article summarizes the physiological characteristics related to respiratory muscles and swallowing, the mechanism of action of respiratory muscle training, and the application value of respiratory muscle training in swallowing disorders, aiming to provide a theoretical basis for studying the relationship between respiratory muscle training and post-stroke swallowing disorders.Stroke is a chronic cerebrovascular disease characterized by high incidence, high mortality, high disability rate, and significant economic burden, often leading to various degrees of critical physiological dysfunction in patients [1,2] . According to the "China Stroke Prevention and Treatment Report 2020," the total number of stroke patients in China ranks first in the world [3] , with about 29%-81% of patients developing swallowing disorders in the short term [4] . Since the swallowing process and respiratory movements are regulated by various nerves and organs [5][6][7][8] , patients with post-stroke swallowing disorders often experience a coordination disorder between breathing and swallowing, increasing the risk of aspiration, aspiration pneumonia, respiratory infections, etc., severely threatening their rehabilitation progress and quality of life [9] . Respiratory muscle training not only improves the respiratory efficiency of the body but also provides a good physiological basis for the auxiliary and compensatory processes of swallowing [10] , enhancing the swallowing function of patients after stroke. This article reviews the improvement of swallowing function disorders in stroke patients through respiratory muscle training, providing a reference for related research and clinical nursing practice.