According to Chinese medicine, duodenal ulcer belongs to the category of “stomach pain”. Mojiaolian has the effect of nourishing the liver and kidney, cooling the blood and stopping bleeding, and has a certain therapeutic effect on stomach pain and vomiting of blood caused by blood-heat interactions, so it can be used in the treatment of duodenal ulcer. Mojiaolian has the efficacy of nourishing the liver and kidney, cooling blood and stopping bleeding, and can be used in the treatment of yin deficiency of the liver and kidney, loosening of teeth, premature whitening of hair, dizziness and tinnitus, lumbar and knee soreness and weakness, yin deficiency and blood heat, vomiting blood, epistaxis, urinating blood, blood dysentery, blood discharged under the umbilicus, bleeding from wounds and other disorders. In using this product, it should be noted that it is contraindicated in patients with deficiency and coldness of the spleen and kidney. For patients with duodenal ulcer, it is recommended to go to a regular hospital for consultation and treatment under the guidance of a professional physician for evidence-based treatment.