Suffer from asthma in the diet needs to be light, as well as choose easy to digest food, but also appropriate supplement containing protein food, such as lean meat, animal liver and soy food, but also to eat more fresh fruits and vegetables, such as onions, onions contain certain anti-inflammatory chemicals, can prevent and treat asthma. The main food is as follows: 1, white radish, white radish has the effect of eliminating food and phlegm, its taste sweet, flat; 2, winter melon, winter melon has the effect of clearing away heat and detoxification, as well as diuretic, elimination of phlegm effect, on the prevention of asthma also has a certain role. At the same time in normal times should also pay attention to avoid causing asthma factors, such as environmental pollution, climate change, smoking, etc., if triggered by asthma need to take medication in a timely manner, and then appropriate exercise to enhance physical fitness, and maintain a good state of mind every day.