Swallowing dysfunction is one of the most common complications in stroke patients, and aspiration is the most dangerous symptom of dysphagia, which refers to a variable amount of liquid or solid food entering below the vocal cords during swallowing while eating (or non-eating), and most patients have no symptoms when aspiration occurs. Factors leading to aspiration 1. Age factor: Ageing is the most common factor, with relaxation of the esophageal sphincter, decreased pharyngeal sensation, and weakened swallowing and coughing reflexes, which can easily cause gastroesophageal reflux leading to aspiration. 2, pathological factors: cerebrovascular accidents, unconsciousness, long-term bedridden patients are prone to aspiration, especially those with long-term nasal feeding tubes. In addition, the use of some drugs can induce misaspiration, such as some anti-psychotic drugs, theophylline drugs, etc. 3, eating position: wrong position and posture, such as lying down to eat, tilting the head to eat, etc. can easily lead to aspiration. This is the most common mistake in family care How to effectively prevent malabsorption 1, the choice of posture: choose 30 ° semi-recumbent position, the neck tilted forward, shoulder and back pads high, healthy side feeding. You can use gravity for food intake and swallowing to reduce the residual food on the affected side (for hemiplegic patients) and prevent accidental entry into the airway. 2. Food selection: Food that is easy to swallow has the following characteristics: uniform density, appropriate viscosity, not easy to loosen, and not easy to remain, and burnt food is preferred. For patients who are likely to have misaspiration or whose swallowing difficulty is not very serious, ingestion training can be performed by adding coagulation powder (Otter Shun Pharynx). Avoid eating cookies, rice, peanuts, soup bubbles, etc. 3. Precautions for feeding: (1) Eat in small bites and swallow with low head. (2) Provide appropriate food and liquid. (3) Make sure there is enough time to swallow. (4) Make sure a mouthful of food has been swallowed completely when eating more food. (5) Do empty swallowing, cough spontaneously and remain in a sitting position for 30-60 minutes after eating. (6) Choking and coughing or change of voice after eating should be stopped immediately.