Bronchiectasis precautions are as follows: 1, winter and spring, the seasonal climate change more quickly, pay attention to open windows, keep indoor air circulation, to avoid colds; 2, increase resistance, appropriate daily exercise; 3, the use of drugs to increase immunity, including immune boosters, herbal medicine; 4, regular vaccination, including pneumonia vaccine, to prevent seasonal infectious diseases; 5, quit smoking, smoke and dust can aggravate lung damage, leading to aggravation of bronchiectasis; 6, light diet, avoid spicy stimulation, diet containing high sugar.