This is a bowel sound, which is the sound made when the intestines move. We usually have it, but the sound is very small or occasionally loud, just like when we are hungry. Moreover, flatulence in the intestine will also occur, mostly due to turbid gas in the intestine.

Pay attention when guiding with ideas. Many people will have hernia. When you are finished, you can push it down from your stomach with your hands. Help the gas escape.