When bronchial dilatation is combined with infection, postural drainage is usually used, using back-slapping and shaking, and coughing and expectorating with the head low and chest high. It can be combined with expectorant drugs, such as bromhexine tablets, acetylcysteine capsules, and ambroxol hydrochloride tablets. In more severe cases, intravenous aminobromine hydrochloride injection 10-30 mg 1-2 times a day can be given. If there is an increased bronchial response and inflammatory stimulation of bronchospasm, aminophylline can be given orally or intravenously, but the drip rate must be slowed down or it can cause arrhythmia and other symptoms. If there are symptoms of coughing up blood, you can take oral Yunnan Baiyao capsule 0.5mg each time, 3 times a day. If it is medium or large amount of coughing up blood, you can use the side lying position, chest placed ice packs, give the pituitary posterior lobe hormone or tranexamic acid and other intravenous injection to stop bleeding, you can use antibiotic drugs to control intrapulmonary infection.