Nasal cavity into the space mud can appear unilateral nasal discharge, blood in the snot, nasal congestion, and even scratching, pain and other symptoms. Space mud into the nasal cavity, belonging to the nasal cavity foreign body, can produce stimulation of the nasal mucosa, nasal mucosa gradually congestion, edema, can lead to nasal secretion oozing, and runny, if the blockage of the nasal cavity, nasal congestion can occur. If the foreign body is not taken out in time, it can lead to long-term stimulation of the nasal mucosa, resulting in the fragility of the nasal mucosa, and easy to appear local infection, triggering nosebleeds, and blood in the snot, and in severe cases, even accompanied by itching, pain and other symptoms. If there is a foreign body into the nasal cavity, the patient should go to the regular hospital to remove the foreign body in time to avoid aggravation of the condition.