Infants with a strong stomach can be regulated by drinking proper water, increasing fresh vegetable intake, doing proper activities and getting enough sleep. Infants’ stomach fire can be manifested by bad breath, dry mouth, constipation and other symptoms, for which parents can take the following measures to regulate. 1. Appropriate water intake: Increasing the amount of water consumed by infants who do not drink enough water can help improve the symptoms of dry mouth and constipation. 2. Increase the intake of fresh vegetables: Increasing the daily intake of fresh vegetables, such as cucumber, cabbage and seasonal vegetables, can help improve the symptoms of constipation. 3. Appropriate activities and sufficient sleep: According to the age of the baby, making the baby do appropriate activities and ensuring sufficient sleep will help the baby grow up healthily. When the symptoms of stomach fire are serious, infants should seek medical advice and treatment under the guidance of a doctor to avoid delaying the condition.