If children’s poor appetite is caused by indigestion, they can take Bifidobacterium bifidum treatment as prescribed by the doctor, such as Bifidobacterium bifidum live bacterial powder, Bifidobacterium bifidum live bacterial capsule and so on. Bifidobacterium bifidum is a digestive drug, mainly used for intestinal dysbiosis caused by intestinal flora imbalance of intestinal dysfunction, such as acute and chronic diarrhea, constipation and so on. If a child’s poor appetite is caused by indigestion, it can usually be treated with Bifidobacterium bifidum live bacterial powder, Bifidobacterium bifidum live bacterial capsule, etc., which is useful for rebuilding the normal micro-ecosystem in the intestinal tract of the human body, and improving the situation of poor appetite. However, children’s poor appetite may also be caused by other diseases, such as respiratory infections, oral diseases, etc. At this time, we need to identify the cause of the disease and actively treat the primary disease. Therefore, parents should pay attention to children’s poor appetite, timely consultation, identify the cause of the disease, and carry out causative treatment, do not blindly use bifidobacteria for treatment, so as to avoid ineffective treatment and delay the condition. In addition, children with poor appetite can adjust their dietary habits, improve cooking methods, appropriate exercise, etc., in order to improve their appetite and promote appetite.