Coughing up blood in the throat may be caused by acute pharyngitis, or chronic pharyngitis, pharyngeal tumors and other diseases or discomfort caused by trauma, it is recommended to go to the hospital in time for examination. 1. Acute pharyngitis: Acute pharyngitis may cause coughing up blood in the throat, suffering from this kind of disease will be accompanied by violent coughing, which will make the capillaries congested and ruptured, and will lead to bleeding in the throat, and there will be a bloody taste in the mouth, and the patient will usually be accompanied by coughing up sputum, sore throat and other undesirable symptoms, and the sputum may have blood in it. 2. Chronic pharyngitis: Chronic pharyngitis may also lead to coughing up blood in the throat, due to inflammation stimulation coupled with repeated persistent coughing may lead to bleeding, the patient’s sputum will be mixed with blood clots or blood filaments, the patient’s pharynx will be dry, pain, burning sensation and other undesirable symptoms, excessive use of the voice or body fatigue when the symptom will be more intense. 3. Pharyngeal tumor: coughing up blood in the throat does not exclude the adverse symptoms caused by pharyngeal tumor, with this kind of disease sputum or saliva with blood, coughing up bleeding may be more obvious, there may be a foreign body sensation in the throat, foreign body sensation is related to the size of the tumor, which will lead to swallowing difficulty or breathlessness in serious cases. 4. Trauma: Coughing up blood in the throat is not excluded to be caused by trauma, such as swallowing hard food may cause damage to the mucous membrane, which may also cause bleeding, usually with obvious pain. Such adverse symptoms, it is recommended to go to the hospital for examination, through the relevant examination, under the guidance of the doctor’s advice to actively cooperate with the treatment, to avoid delaying the condition.