Tingling sensation on the upper lip may be related to the usual diet, but also may be the emergence of oral white spots, allergies and other problems. 1. usual diet, usually if you often eat spicy and stimulating, too hot food, such as chili peppers, peppercorns, too hot food, etc., may cause some stimulation to the lips, resulting in tingling sensation on the upper lip. 2. Oral leukoplakia, patients with oral leukoplakia due to oral mucosal irritation, may lead to surface roughness, loss of taste, and may also have tingling sensation symptoms. 3. Allergy, if you are allergic to certain foods, drugs or other factors, it may affect your lips and cause tingling sensation in the upper lip. If this symptom occurs again and again, you need to consult a doctor in time for treatment.