The coughing up of phlegm and blood is normal in bronchitis. Take care of your rest, don't drink alcohol and avoid spicy food. To regular review, if it continues to worsen, then early medical treatment . Prevent colds: avoiding colds can effectively prevent the occurrence or acute attack of chronic bronchitis. II. Diet regulation: diet should be light, avoid spicy meat and fish. Should quit smoking and more tea, because smoking will cause increased respiratory secretions, reflex bronchospasm, difficult to expel phlegm, which is conducive to the growth and reproduction of viruses and bacteria, and further deterioration of chronic bronchitis. Tea contains theophylline, which can excite the sympathetic nerves, so that the bronchial dilation and reduce the symptoms of cough and asthma. Three. Abdominal breathing: abdominal breathing can keep the airways open, increase lung capacity, reduce the onset of chronic bronchitis, prevent emphysema, pulmonary heart disease. Specific method: Inhale and try to make the abdomen bulge, exhale and try to exhale to make the abdomen concave. Exercise 2 to 3 times a day, 10 to 20 minutes each time. Four. Avoid toxicity and desensitization: harmful gases and poisons such as sulfur dioxide, carbon monoxide, dust, etc. will aggravate the condition, the gas emitted by the coal stove in the family can induce coughing and asthma, the kitchen should pay attention to the ventilation of the room or the installation of the de-exhaust hood in order to keep the indoor air fresh. Parasites, pollen, fungi, etc. can cause bronchial specific allergic reactions, should maintain the cleanliness of the indoor and outdoor environments, timely removal of dirt, eliminate allergens. V. Appropriate rest: fever, coughing and wheezing must rest in bed, otherwise it will increase the burden on the heart and aggravate the condition; when the fever subsides and the coughing and wheezing reduces, you can get out of bed and do light activities. Usually should participate in appropriate activities or labor. Six. Adhere to exercise: according to their own physical selection of medical health exercises, tai chi, five bird play and other projects, adhere to exercise, can improve the body's ability to resist disease, the amount of activity without obvious shortness of breath, rapid heartbeat and excessive fatigue to the degree.