There is no such thing as the most effective way to improve lung function. Lung function can be improved through proper exercise, ensuring a balanced intake of nutrients, and actively preventing or treating lung diseases. 1. Appropriate exercise: common exercises include running, slow walking, swimming, bicycling and jumping rope. Appropriate exercise not only strengthens the body, but also helps to increase lung capacity and improve lung function. People should choose the way of exercise and the intensity of exercise according to their own situation, and avoid overwork, etc. At the same time, you can also do abdominal breathing to improve lung ventilation and air exchange function. 2. Nutritional balance: Usually, people pay attention to the reasonable combination of diet to ensure balanced intake of nutrients, which can help to improve the body’s immunity. Meanwhile, the nutrients in foods such as fungus and pears have some benefits for lung health, but the benefits are relatively limited. 3. Preventing or treating lung diseases: Pay attention to creating a good living environment, maintaining indoor air circulation, and avoiding dusty environments. Quit smoking actively to reduce the irritation and damage to the lungs caused by nicotine and other ingredients in cigarettes, which is also beneficial to improving lung function. For those who are diagnosed with lung diseases, they need to follow the doctor’s instructions to take appropriate treatment measures, and generally after the disease is cured, lung function can also be improved. It is recommended that people choose appropriate ways to improve lung function according to their own actual situation, and avoid using folk remedies that have no scientific basis.