The reason why the ulceration of the inner wall of the nose always fails to heal may be caused by bad habits, environmental factors, nasal tumors and other reasons. 1. Bad habits: when patients pick their noses with their fingers for a long time, eat a spicy diet, smoke for a long time and other bad habits, it may lead to the ulceration of the inner wall of the nose can not always heal. 2. Environmental factors: in the fall and winter seasons, the weather is dry, or long time in too dry environment, can also cause the nose wall ulcers always heal, mainly because of the dry environment. 3. Nasal tumors: Nasal tumors are also easy to cause ulcers on the inner wall of the nose, and it is not easy to heal, and may be accompanied by nasal congestion, nosebleed and other symptoms. When the patient appears the nose wall ulcer always healing, should go to the hospital for examination, clear diagnosis, give targeted treatment.