What's with the stomach growling lately?

Recently, the stomach is always grumbling, first of all, consider the recent diet is unreasonable, often eat indigestible food, or often eat carrots, potatoes and other easy to produce gas food, resulting in more gas in the gastrointestinal tract, and with gastrointestinal motility sound. Secondly, if the recent eating is irregular, often hunger, fasting gastrointestinal motility will also sound.