How can diarrhea with vomiting be treated?

For patients with diarrhea with vomiting.
First of all, pay attention to dietary regimen, it is recommended to eat rice porridge, noodles and other easy to digest, forbid cold, spicy and greasy food, eat less food containing more fiber, pay attention to dietary hygiene.
Secondly, three meals should be regular, can eat less and more meals, do not overeat.
Again, pay attention to keep warm and avoid getting cold in the abdomen.