I am a 19 years old and an anxious person. when i get stressed i feel pain to my intestine and i feel bloated.what is the solution to this problem?

Biofeedback: Learn some biofeedback technique in order to relax. Psychologist can help you for that.

Gut is Our 2nd Brain: For a better understanding of why anxiety can produce so many gastro-intestinal problems, read scientific american article by adam hadhazy: "think twice: how the gut's 'second brain' influences mood & well-being" (http://bit.Ly/1d6p7ca). "the little brain in our innards, in connection with the big one in our skulls, partly determines our mental state and plays key roles in certain diseases...".