Tingling toenails can be caused by injury, ingrown toenails, gingivitis and other factors. 1. Injury: When the toenail area has been subjected to excessive pressure or external force, resulting in localized damage, the symptoms of tingling toenail will appear, which may also be accompanied by redness and swelling. 2. Ingrown toenails: When trimming toenails, trimming too deep or too short, and wearing tight shoes and socks, may lead to nails embedded in the skin, which will cause tingling, and in severe cases, secondary infection. 3. Inguinitis: It may be related to bacterial infection, resulting in localized inflammation of the toenail, which can cause tingling due to inflammatory material stimulation, and in severe cases, pus may also flow. Toenail stinging pain lasts for a long time, it is recommended to consult a doctor for examination and treatment to avoid causing other complications.