1. previous history of chronic bronchitis, emphysema, interstitial lung disease or pulmonary heart disease; 2. combining with other serious diseases: such as those who have suffered myocardial infarction and uncontrollable diabetes within 6 months, and are considered unsuitable to participate in the trial; 3. people with active peptic ulcer; 4. patients during pregnancy and lactation 5. patients with mental illness or others who cannot cooperate effectively; 6. researcher judges uncomfortable to participate in trial

1. previous history of chronic bronchitis, emphysema, interstitial lung disease or pulmonary heart disease; 2. combining with other serious diseases: such as those who have suffered myocardial infarction and uncontrollable diabetes within 6 months, and are considered unsuitable to participate in the trial; 3. people with active peptic ulcer; 4. patients during pregnancy and lactation 5. patients with mental illness or others who cannot cooperate effectively; 6. researcher judges uncomfortable to participate in trial

previous history of chronic bronchitis, emphysema, interstitial lung disease or pulmonary heart disease; combining with other serious diseases: such as those who have suffered myocardial infarction and uncontrollable diabetes within 6 months, and are considered unsuitable to participate in the trial; people with active peptic ulcer; patients during pregnancy and lactation patients with mental illness or others who cannot cooperate effectively; researcher judges uncomfortable to participate in trial

previous history of chronic bronchitis, emphysema, interstitial lung disease or pulmonary heart disease; combining with other serious diseases: such as those who have suffered myocardial infarction and uncontrollable diabetes within 6 months, and are considered unsuitable to participate in the trial; people with active peptic ulcer; patients during pregnancy and lactation patients with mental illness or others who cannot cooperate effectively; researcher judges uncomfortable to participate in trial

1. previous history of chronic bronchitis, emphysema, interstitial lung disease or pulmonary heart disease; 2. combining with other serious diseases: such as those who have suffered myocardial infarction and uncontrollable diabetes within 6 months, and are considered unsuitable to participate in the trial; 3. people with active peptic ulcer; 4. patients during pregnancy and lactation 5. patients with mental illness or others who cannot cooperate effectively; 6. researcher judges uncomfortable to participate in trial

1. previous history of chronic bronchitis, emphysema, interstitial lung disease or pulmonary heart disease; 2. combining with other serious diseases: such as those who have suffered myocardial infarction and uncontrollable diabetes within 6 months, and are considered unsuitable to participate in the trial; 3. people with active peptic ulcer; 4. patients during pregnancy and lactation 5. patients with mental illness or others who cannot cooperate effectively; 6. researcher judges uncomfortable to participate in trial