Hemoptysis and coughing up blood are basically the same concept, with hemoptysis generally being described as a diagnosis and symptom, and coughing up blood generally being described in terms of symptoms. Hemoptysis/coughing up blood refers to bleeding from the throat and any part of the respiratory tract below the larynx through the mouth, often caused by tuberculosis, bronchiectasis, lung cancer, heart disease, etc. The symptoms of hemoptysis include a tickling sensation in the throat, accompanied by chest tightness and coughing. Hemoptysis is preceded by a tickling sensation in the throat and is accompanied by chest tightness and coughing. The blood is bright red and often mixed with foam or phlegm. The concepts of the two are basically the same, but the diagnosis of the disease is usually described in terms of hemoptysis, and the symptoms can be described as hemoptysis or coughing up blood. If the above symptoms occur, it is recommended that the patient consult a regular hospital in a timely manner, cooperate with the doctor to improve the examination, and follow the doctor’s instructions for active treatment.