Long-term drinking has a good protective effect on the stomach.
But the most important thing is diet. If you have stomach trouble, you must pay more attention to your diet:
Eat less fried food.
Eat less pickled food.
Eat less cold food.
Ordinary diet
Timing and quantification
comfort temperature
Chew carefully and swallow slowly.
Drinking time
Vitamin c supplement
Do not eat acidic food.