There is blood in the throat in the morning, clinically there are mainly the following possibilities: 1. It may be that there is blood in the retracted snot, this may suggest that the patient bleeding site, may be in the sinuses and nasopharynx. Clinically, sinus CT examination, and electronic nasopharyngoscopy are needed. The two examinations are to observe whether there is anything long in the nasal cavity and sinuses of the patient, especially the long malignant tumors, which must be excluded. 2. Check the nasopharynx to see whether there is anything long in the nasopharynx of the patient, the common clinical diseases are nasopharyngeal carcinoma, nasopharyngeal carcinoma in the early stage, such as local ulceration, may be blood in the morning snot. The second disease is that the patient has a disease of the throat, the patient repeatedly dry cough, irritation, etc., the erosion and ulceration of the mucous membrane of the throat, prone to blood in the sputum, in this case by checking the electronic laryngoscope, can see the dryness and erosion of the mucous membrane.