Stinging pain in the lips may be caused by lip ulcers, lipitis, lip tumors and other causes. If there are conditions such as low immunity, lack of vitamins and trace elements, round or oval shaped ulcers with depression in the center and reddish halo around may appear on the lips, and the ulcers will have tingling pain. Due to the bad habit of eating spicy and stimulating food, long-term cold and dry environment, lip biting, etc. may appear chapped lips, vesicles, which is a symptom of chronic lipitis, there will be flaking, tingling sensation. Lips if there is a long-term not self-healing swelling, and long-term pain may have the risk of lip tumor, generally not rare, it is recommended to go to the hospital for examination and diagnosis. These are only some of the common causes. If the symptoms persist or recur, you should seek medical advice. After clear diagnosis, follow the doctor’s instructions to standardize the treatment.