A hard bag on the side of the nose hurts when pressed, which may be caused by folliculitis, nasal vestibular cyst infection, acute nasal vestibulitis, etc. The reason for this is that it is not easy to find a hard bag on the side of the nose. 1. Folliculitis: the side of the nose grew a hard packet press up pain may be caused by folliculitis, due to the relatively large pores of the nose, if you do not usually do a good job of health care, it is easy to make dust, germs into the hair follicles, which will lead to folliculitis occurs. 2. Nasal vestibular cyst infection: Nasal vestibular cyst infection, the patient will appear on the side of the nose long hard bags, in the pressure will appear after the pain. 3. Acute nasal vestibulitis: if the patient often picks his nose and pollutes the nasal vestibule, leading to localized infection in the nasal cavity, it will cause a hard bag on the side of the nose, which will cause pain when pressed. The patient has a hard bag on the side of the nose will be painful symptoms, should go to the hospital in time to do the relevant examination, clear cause in the doctor’s guidance under reasonable treatment.