Children’s lips are cracked, this situation may be caused by lip inflammation, or may be formed by chapped eczema. For this case, if the crack is obvious, you can use topical rehabilitation new liquid topical application, or topical application of epidermal growth factor, which can promote local wound healing. If the fissure is accompanied by obvious exudative reaction, topical zinc oxide cream or topical Revnor solution should be applied first to prevent secondary infection by providing local anti-inflammatory effect. In case of secondary infection, topical fusidic acid cream should also be applied. Oral antihistamines, such as loratadine or cetirizine hydrochloride, can also be taken.