As winter turns to spring, the temperature changes a lot and the immune function of human body, especially the defense function of respiratory mucosa, has not yet played effectively, various pathogenic microorganisms are easy to invade. So, how to do a good job of asthma prevention and treatment to reduce asthma attacks? 1, prevent cold and keep warm: cold weather in winter and spring is very likely to cause colds and upper respiratory tract infections, causing asthma attacks. Therefore, patients with a history of asthma should pay extra attention to the cold and warmth, especially the back of the shoulders. 2, adjust the diet: diet should be light and nutritious, do not eat foods that are likely to cause asthma attacks, allergies that have occurred, eat less spicy and greasy food; do not eat too sweet, too salty food. 3. Avoid contact with allergens: such as house dust mites, animal fur, irritating gases, etc. Dust mites are the most common allergens of asthma and the most important pathogenic factor of asthma. Bed sheets and blankets should be washed frequently, and pillows and bedding should be dried in the sun; it is better not to keep small animals, as animal fur and microorganisms on fur can induce asthma attacks. 4.Regular use of asthma prevention and control drugs: Most asthma patients can get good control of their asthma after receiving standardized treatment, and their lung function will be gradually improved. Tip for all asthma patients: asthma is a chronic disease and many patients need long-term treatment. The development and change of the treatment plan, the reduction and discontinuation of medication should be carried out under the guidance of a doctor, and should not be decided by oneself, otherwise it is likely to lead to the loss of the effect of the previous treatment and the aggravation of the disease.