Blood clots in the nose are usually associated with nasal bleeding. It may be caused by physiological factors and pathologic factors. Physiological factors: diet, environment and other factors, such as spicy stimulating food stimulation, dry air, strenuous exercise and other conditions lead to nose mucosa, capillary dry crack bleeding. 2. Pathological factors: due to trauma, nasal mucosal vasodilatation, rhinitis and so on. When accompanied by nose pain, local lumps lead to local lesions, may be caused by some benign tumors, such as hemangioma, hemorrhagic necrotic nasal polyps and so on. Part of the blood system diseases, etc., platelet production reduction can also trigger nosebleeds. Nose clots coagulation a variety of factors related to the impact, it is recommended that patients with this symptom in a timely manner to the hospital for consultation, improve the examination for targeted treatment.