Painful redness of the skin of the nasal vestibule is one of the symptoms of nasal vestibulitis. It is mainly seen as a clinical symptom of nasopharyngeal discomfort caused by sinusitis and rhinitis, and is best treated symptomatically. The clinical symptoms of nasal vestibular skin redness and pain are divided into two types: acute and chronic. In acute cases, the skin of the nasal vestibule is red, swollen and painful, and in severe cases it can extend to the junction of the upper lip, with pressure pain, epidermal erosion and covered with scabs. In chronic cases, the nasal vestibule is itchy, burning and crusty, with loss of nasal hair, thickened skin, cracked or covered with scaly crusts. Intranasal pain is caused by dry rupture of the nasal mucosa and may be accompanied by rhinorrhea. Intranasal pain is also one of the symptoms of nasal cancer. Prevention of red and painful nasal vestibular skin: 1. Keep the nasal cavity clean and hygienic, which can principle the occurrence of the disease. When appearing or working in dusty environment, remember to wear a good mask. 2. Keep the nasal cavity clear. If there is too much secretion inside, remember to use a medical swab to clean it up, or go to the health clinic to find a quintuple surgeon to clean it, don’t pick your nose everywhere. 3, if the nose has rhinitis disease, easy to sneeze, so easy to grow bacteria, the best way is to treat rhinitis, control rhinitis, which can slow down the increase of bacteria and viruses. 4, keep the human body cool and live blood. Because the human body often eat those fried, spicy food, easy to cause the body on fire, it is easy to cause inflammation, or poisonous sores, then remember also good to quit the mouth. Eat more bitter food to help the principle of the disease. 5, once the disease, to find a professional hospital doctor treatment, do not delay the disease, the nasal vestibule is a dangerous triangle, contact the nerve very much, very responsible, must be cautious.