Nasopharyngitis is categorized into acute nasopharyngitis and chronic nasopharyngitis, both of which usually do not present with bloody nasal discharge. Acute nasopharyngitis is mainly due to acute inflammation caused by B hemolytic streptococcus or staphylococcus infection. Clinically, the nasal mucus of acute nasopharyngitis can be watery or pus and mucopurulent. Clinical symptoms are dryness or burning sensation in the nasopharynx, is with headache. In general, it is very difficult to appear in the case of blood in the nasal mucus. Chronic nasopharyngitis, on the other hand, is characterized by a feeling of dryness in the nasopharynx and mucous secretions in the posterior part of the nose, which leads to frequent coughing and sputum aspiration. Although examination reveals congestion and thickening of the nasopharyngeal mucosa with dry crusty attachments (indicating that there has been bleeding). However, chronic nasopharyngitis usually does not have a runny nose and may present with blood in the sputum, while it is difficult to present with blood in the nose. Nasopharyngeal cancer and other conditions that can cause blood in the nose are recommended to go to the hospital in time and be treated under the guidance of a doctor.