Usually eat more foods and fruits rich in probiotics. For example, fruits contain more vitamin C, such as kiwifruit, pitaya, bananas and pears. In addition, eat foods rich in trace elements, such as animal viscera, liver, lean meat and egg yolk, which are also rich in trace elements. If the baby's barbs can't be relieved after diet treatment, it is recommended to take the child to the hospital for examination, such as measuring the child's trace elements and whether there is a lack of trace elements. It is best to carry out corresponding treatment under the guidance of a doctor.