The tightness of the nose after nasal bone reset may be caused by the swelling of nasal mucosa, improper care in the later stage, and nasal cavity crusting. 1. Nasal mucosal swelling: nasal bone reset will lead to swelling of the nasal mucosa, hematoma, bruising of the skin around the nose, the patient’s blood circulation in the nose is affected, there may be a tight nose compression feeling. 2. Improper post-care: If the post-care is not proper after nasal bone reset, there will be secondary infection, and the patient’s nose will be infected by bacteria, and there may be tightness, pressure, pain, and redness and swelling of the nose. 3. Nasal scabs: the tightness of the nose after nasal bone reset may also be due to the increased secretion of the nasal cavity after trauma, after the inflammatory reaction of the nasal cavity temperature rises, the nasal cavity has dry scabs, the accumulation of scabs may cause respiratory obstacles, so that the patient produces a tight nose feeling of compression. If the patient feels tightness in the nose after nasal bone reset, it is recommended to consult a doctor in time to clarify the cause of the disease.