How does the child always bilge gas to do

The child always flatulence may be because the child's gastrointestinal function is not fully developed, gastrointestinal function is weak, improper diet is easy to cause flatulence; can also let the child oral some drugs to promote digestion relief, but also can gently massage the child's abdomen with hands, can also let the child take some probiotics to help regulate the gastrointestinal tract.