People with bad stomach can drink tea, some tea has the effect of regulating the spleen and stomach, help digestion, stomach. You can drink barley tea in moderation. Barley tea is relatively mild in nature and has the effect of protecting the gastric mucosa, and it is rich in vitamins that can repair the damage to the gastric mucosa. You can also drink pu-erh tea in moderation, which is beneficial for people with poor digestion, because pu-erh tea inhibits the growth of harmful microorganisms and can promote the growth of beneficial intestinal bacteria, which can regulate the function of the gastrointestinal tract and enhance digestive capacity. Black tea is fermented during the production process, and drinking black tea in moderation not only does not cause significant stimulation to the stomach, but also has the effect of assisting the body in digestion and nourishing the stomach. People with poor digestion can also drink small amounts of black bitter mustard tea, both to regulate the role of the spleen and stomach, but also to prevent cardiovascular disease.