The belly button of a girl is very long vertically, and if it is not accompanied by other uncomfortable symptoms, it is a normal situation. However, if the skin around the umbilicus is red, swollen and painful, it is abnormal. If a girl is born with a long vertical navel, it is considered that the umbilical cord is cut too short, and it is not accompanied by any discomfort, which is normal and no need to worry too much. You need to pay attention to personal hygiene, avoid scratching the umbilicus, and keep the umbilicus clean. However, if the skin around the umbilicus is red, swollen, painful, oozing, and has an abnormal odor, the patient needs to be alerted to the umbilical cord infection, which may be induced by umbilical cord infection. Patients can be in the doctor’s guidance local topical 3% hydrogen peroxide solution, povidone-iodine cleaning, or oral antibiotic drugs, such as amoxicillin, cefaclor and so on. In addition, if the girl’s belly button is long vertically and has a large bulge, it is also necessary to check whether there is an umbilical hernia. Once the patient’s umbilical area has abnormal discomfort, need to consult a doctor in time to find out the cause of the disease. And, patients need to take relevant treatment measures under the guidance of the doctor.