Loss of swallowing function in bulbar palsy is usually difficult to recover completely. Loss of swallowing function in bulbar palsy is usually caused by medullary palsy, which needs to be treated according to the cause of medullary palsy. The causes of medullary palsy include cerebrovascular lesions, central nervous system lesions, intracranial tumors, and intracranial infections and immune reactions, which need to be treated according to the specific cause of the disease to alleviate medullary palsy. Appropriate swallowing function training is also required, although recovery tends to be slow. In bulbar palsy, where loss of swallowing function is difficult to recover from, it is important that patients seek treatment early and aggressively in order to improve symptoms and quality of life.