The following measures need to be taken when vomiting blood from lung cancer: 1. Avoid eating chili, pepper, onion, garlic and other spicy things; 2. If hemoptysis occurs, you can take oral hemostatic drugs, the most commonly used drugs such as Yunnan Baiyao, naked flower purple pearl tablets. If the effect is not good, you can give intravenous hemostatic minerals, vitamin C, and posterior pituitary hormone; 4. If the effect of medication is not good in patients with hemoptysis, you can also use interventional therapy to stop the bleeding by direct compression. Chinese medicine is more effective in stopping hemorrhage, such as Phellodendron, Bai He, Xian He Cao, and Bai Mao Root. Patients with hemoptysis of lung cancer should seek medical treatment in time and pay attention to prevent hemorrhage from causing shock and endangering life.