A gap between baby’s upper teeth can be alleviated through daily care, orthodontic treatment, extraction treatment and surgical revision according to the specific situation of the baby. 1. Daily care: If the baby is in the period of tooth replacement, the gap in the middle of the teeth will gradually heal with the replacement of teeth, daily to avoid licking the baby’s teeth, pay attention to keep the mouth clean and hygienic. 2. Orthodontic treatment: If the baby has passed the period of tooth replacement and there is a gap in the middle of the upper teeth, he/she can go to the regular dental hospital for orthodontic treatment, which can close the gap in the teeth by pulling on the teeth. 3. Extraction: If the baby is affected by genetic factors, resulting in small teeth, lost teeth or multiple teeth, causing gaps between the upper teeth, according to their actual situation, under the advice of the doctor for tooth extraction. 4. Surgical revision: If your baby’s tongue tie is too low, resulting in a gap between the teeth, it can be dealt with through surgical revision under the advice and guidance of your doctor. If the gap in the middle of the baby’s upper teeth cannot be effectively relieved, the baby should go to the hospital for examination in time, so as to avoid causing serious impact on the baby’s daily life and physical health.