The area in the middle of the nostril is called the nasal columella. The nasal columella, which is composed of the anterior lower edge of the septal cartilage and the medial foot of the nasal cartilage, is a nasal tissue that extends from the tip of the nose to the lips, and is surrounded on both sides of the tip by the nasal wings to form the two anterior nostrils. Nasal columella is a normal structure of the human body that maintains the shape of the nasal tip. The components are the skin under the tip of the nose, the subcutaneous cartilage, and the skin of the nasal vestibule on the inner side of the nasal columella. If this area becomes infected, a boil will form. Since the skin is in close contact with the skin, the tension of the skin increases during inflammation, causing severe pain. Also, this is a dangerous triangle and should not be squeezed when infected, as this can lead to serious complications. If there is pain and discomfort, it is recommended to go to the hospital in time to let the doctor check and then treatment can be. If the patient has discomfort, it is recommended to consult a doctor in time, do not be negligent and cause adverse consequences.