What's wrong with not pooping and farting?

1, diet

eat more sweet potato, potato, radish and other gas-producing food, easy to increase intestinal gas, cause farting, but defecation is normal.

2, constipation

exists constipation phenomenon, due to feces stay in the intestine for too long, which waste may be excessive decomposition of intestinal flora, gas, and then cause frequent farting, no defecation.

3, intestinal flora disorders

with intestinal flora disorders, due to harmful bacteria breeding in large numbers, gas, may appear frequent farting symptoms, but no defecation.