Tearing the skin of the lips swollen consider allergies or infections, the treatment needs to be both, can be used externally or oral medication, as follows: 1, allergies: need to be used externally with vitamin E ointment or dimethylsilicone oil, at the same time orally Oloxatadine Hydrochloride tablets, Fexofenadine Hydrochloride tablets, but also can be combined with the oral compound glycyrrhizin capsules; 2, infections: need to be orally administered Levofloxacin Hydrochloride capsule, Azithromycin Dry Suspension for antimicrobial therapy, along with the application of Fusidic Acid ointment, Compound Polymyxin B ointment, 2x/day, you can strengthen the anti-infective treatment.