Nasal mucus with blood sputum with some blood is considered to be caused by nasopharyngeal cancer, acute upper respiratory tract infection, rhinitis and sinusitis. 1. Nasopharyngeal cancer: it is a malignant tumor that develops in the anterior wall of nasopharyngeal parietal and pharyngeal crypt, which is closely related to genetic factors, EB infections, and bad life habits, etc. It can lead to bloody nasal discharge, nasal congestion, tinnitus, headache, and other symptoms. It can lead to the emergence of symptoms such as bloody nasal mucus, nasal congestion, tinnitus, headache and sputum with blood. 2. Acute upper respiratory tract infection: commonly caused by bacterial and viral infections. It can lead to throat discomfort, dryness, burning, pain, runny nose, sputum and other phenomena. Due to inflammatory stimuli can lead to increased permeability of the local mucosa, and cause capillary rupture, so it can also lead to nasal mucus and sputum with blood. 3. Rhinitis sinusitis: mainly for bacterial or viral infection caused by inflammation of the mucous membrane of the nasal cavity and sinuses, can cause nasal mucous membrane congestion and edema and other uncomfortable symptoms, resulting in an increase in the permeability of the local capillaries, resulting in rupture of the bleeding, can also be caused by sputum and snot with blood, but the amount of bleeding is generally relatively small. Nasal mucus with blood sputum with a little blood symptoms, it is recommended to go to the hospital, diagnosis and treatment.