White mucous membrane on the lips, mainly in the morning up is more common, consider the possibility of exfoliative lipitis. This condition exfoliates the white mucous membrane is mainly the outer layer of the tissue of the lips, generally not painful or itchy, individual will be accompanied by dry lips or mild burning, is a relatively stubborn mucosal disease, you can choose to try to use tacrolimus ointment or pimecrolimus ointment for treatment, continuous application for a period of time, can have a certain relief effect. If the effect is not too satisfactory, you can also apply topical fluticasone propionate cream. The actual fact is that you should not eat too much acidic or salty food in your daily life to avoid irritation to your lips.