To determine whether bleeding from rhinitis or nasal cancer, it is necessary to make a comprehensive assessment based on the results of nasal endoscopy, sinus CT and pathological tissue biopsy to confirm the diagnosis. The common symptoms of rhinitis and nasal cancer may overlap and intermingle, and it is difficult to make a preliminary judgment by symptoms, especially bleeding is even less typical characteristic difference, so it is necessary to understand the condition comprehensively by visual examination, imaging examination and pathology examination. Endoscopic bleeding of common rhinitis ulcers and nasal cancer ulcers may be obviously different or extremely similar, so it is often combined with imaging examination to further understand the characteristics of the two, but ultimately it is necessary to confirm whether it is rhinitis or nasal cancer according to pathological histological examination. If nasal bleeding occurs, it is necessary to go to the hospital in time, cooperate with the doctor to improve the systematic examination, and take standardized treatment after clear diagnosis.