The indications for nasal feeding include mainly swallowing dysfunction and coma. Patients in coma are generally not able to eat and drink alone. In order to ensure the patient’s nutrition or medication, the gastric tube can be lowered and retained for nasal feeding diet and nasal drug administration to replenish the essential protein and nutrients to ensure that the patient can be treated correctly and in a timely manner. If the patient has swallowing dysfunction, including dysphagia and choking on drinking water. In the case of dysphagia, when the patient crystals solid food may cause misaspiration, leading to death by asphyxiation. When choking on water, when the patient eats liquid or semi-liquid food may cause choking, which may cause aspiration pneumonia, and repeated aspiration pneumonia can seriously cause respiratory failure or even lead to the patient’s death. If the patient’s swallowing dysfunction is difficult to recover in the short term, the gastric tube should be promptly lowered and retained for nasal feeding diet and nasal drug administration.