There is no fixed two medicines for treating stomach acid in clinical practice, but cuttlebone and corrugated seeds have the effects of suppressing acid and relieving pain (suppressing stomach acid and relieving pain), and are often used to improve the symptoms of stomach pain and acid vomiting. 1. Cuttlebone has the effects of inhibiting acidity and relieving pain, astringent and stopping bleeding (treating bleeding disorders with medicines with astringent effect), fixing essence and stopping leucorrhea, and collecting dampness and astringent sores. It is mainly used in the treatment of stomach pain and vomiting of acidity, leucorrhoea (excessive menstrual flow or dripping of menstruation) and blood, insufficiency of liver and kidneys (weakness of liver and kidneys), deficiency of the spleen and dampness and aggregation of spleen and dampness, clear and dilute amount of leucorrhoea, deficiency of the spleen and stomach, deficiency of spleen and stomach, and dampness and coldness, wet sore and eczema, and other disorders. The adverse reactions and contraindications of this drug are not clear, but it should be noted that it should not be taken by people with Yin deficiency and excessive heat. 2. Corrugated seeds have the efficacy of controlling acidity and relieving pain, resolving phlegm and dispersing knots, eliminating phlegm and softening hardness. It is used as the main treatment for scrofula (mainly refers to tuberculosis of cervical lymph nodes), gall tumors (equivalent to tumors of the thyroid gland), obstruction in the abdomen and lumps in the abdomen of women. The adverse reactions and contraindications of the drug are not clear, but it should be noted that it should be calcified when used for acidity and pain relief. People with stomach acidity are advised to go to regular hospitals for timely consultation and treatment under the guidance of professional physicians for evidence-based treatment.