The side effects of Gastric Ulcer Ning Pill are not clear; its contraindication is caution for those with spleen and stomach yin deficiency (insufficient yin fluid in the spleen and stomach), and pregnant women. Gastric Ulcer Ning Pill is composed of Atractylodes macrocephala (prepared), Radix Aconiti, Rhizoma Polygonati Odorati, Rhizoma Polygonati Odorati (fried), Rhizoma Polygonati, and other traditional Chinese medicines. It is used for the treatment of gastric distension and pain or stabbing pain, vomiting and acidity, gastric and duodenal ulcers caused by cold condensation of Qi stagnation and blood stasis. Adverse reactions to Gastric Ulcer Pill, i.e., its side effects, are not clear at the moment. Attention to the spleen and stomach Yin deficiency is mainly manifested as dry mouth, red tongue, less fluid, dry stools, pregnant women should not be used, allergic to the product is prohibited. It is recommended to consult before using the drug, under the guidance of the doctor to implement symptomatic treatment, to strictly grasp the adverse effects of the drug and precautions, etc., to ensure the safety of treatment.