Stroke has a high incidence in recent years, and many patients have a variety of complications, such as dysphagia, malnutrition, aspiration pneumonia, etc., which is one of the important risk factors for death of stroke patients, and the patient''s psychological changes, such as eating panic, anxiety and anxiety, so that the patient''s daily life is greatly affected. Therefore, the evaluation and diagnosis of dysphagia complicated by stroke are very important. In order to stroke patients with swallowing disorders can recover as soon as possible, the medical field gradually in-depth research, in order to bring good news to stroke patients. The application of surface electromyography in the assessment of dysphagia in apoplexy was discussed in this paper.