Gastritis patients can use Rehabilitation New Liquid to repair the gastric mucosa. Rehabilitation New Liquid is a kind of commonly used proprietary Chinese medicine for protecting gastric mucosa, which is composed of American cockroach extract, with the effect of promoting blood circulation, nourishing yin and promoting muscle growth, and can be used for the treatment of gastritis. The gastric mucosa of patients with gastritis will be congested and swollen, and some more serious patients will also have erosion or ulcers. The use of gastric mucosal protective agent can reduce the stimulation of gastric acid on the gastric mucosa, so as to achieve the effect of protecting the gastric mucosa. Rehabilitation of new liquid can not only protect the gastric mucosa, but also for the damaged gastric mucosa to promote the healing effect. The adverse reactions and contraindications of Rehabilitation New Liquid are not clear, and it is recommended to use it under the guidance of a doctor to avoid adverse reactions.