Lung cancer coughing up sputum with blood in it can be treated by surgery and other therapies to treat the cause, and also by medicines and other symptomatic treatments. Lung cancer is a malignant tumor caused by smoking, environment and other factors, and symptoms such as coughing and sputum may appear after the disease. When accompanied by rupture of small blood vessels or collapse of tumor, the clinical manifestation of blood in sputum may appear. At this time, it should be treated promptly through surgery, radiotherapy, chemotherapy and other methods to treat the cause. In addition, Yunnan Baiyao, vitamin K, carbachol and other medicines to stop bleeding can also be used for symptomatic treatment. During the period, attention should be paid to rest and close observation of the condition. In addition, patients should go to the hospital for standardized diagnosis and treatment immediately after discomfort occurs. All the above drugs should be applied under the guidance of doctors.