Redness and swelling of the tip of the nose that hurts when touched is usually due to nasal boils, folliculitis, nasal vestibulitis and other causes. 1. Nasal boil: It is a limited, acute purulent inflammation of individual hair follicles, sebaceous glands or sweat glands that occurs on the tip of the nose, the wings of the nose and the nasal vestibule. Patients may show localized pain, redness and swelling, and the pain is aggravated by touching. The boils usually mature and burst within 1 week, and the pain decreases. It may be accompanied by low-grade fever, and in severe cases, the affected side of the upper lip and cheeks may be swollen, and there is generalized discomfort. 2. Folliculitis: when it occurs in the nose, the common clinical manifestation is the formation of red papules around the hair follicles, accompanied by redness, swelling, heat and pain of the inflammatory reaction, touching can aggravate the pain. In severe cases, pus, ulceration and necrosis may occur. 3. Nasal vestibulitis: mostly caused by increased nasal secretions or repeated stimulation of the nasal vestibular skin. The main symptoms are pain in the nasal vestibule, skin redness, swelling, itching, erosion or cracking. The pain can be aggravated when pressed. Patients with redness and swelling of the tip of the nose that hurts when you touch it are recommended to consult a hospital for a clear diagnosis and treatment.