Heartburn is acid reflux. Common herbs that can treat acid reflux include cuttlebone and corrugated seeds, and proprietary Chinese medicines include Zuojin Pill and Compound Chenxiang Gastric Tablet. There is no scientific basis for the treatment of acid reflux with these two medicines. Cuttlebone has the effect of inhibiting acidity and relieving pain, and can be used to treat acid reflux, heartburn and stomach pain caused by spleen and stomach deficiency (spleen and stomach weakness and coldness). Coriolus Versicolor also has the effect of suppressing acid and relieving pain. When symptoms of stomach pain and acid reflux caused by liver-stomach disharmony (a mismatch between the ascending liver and descending stomach organs) occur, the drug can be used under the guidance of a doctor. The adverse reactions and contraindications of cuttlebone and corrugated seed are not known. Zuo Jin Wan is composed of Rhizoma Coptidis and Cornu Cervi Pantotrichum, which has the effects of diarrhea of fire, detoxification of the liver, harmonization of the stomach, and relief of pain, and can be taken when symptoms such as bitter and noisy mouth (a feeling similar to hunger and emptiness accompanied by burning heat in the stomach), and vomiting of acid are present when one belongs to the syndrome of Liver-Fire Offending the Stomach (the fire produced by the liver violates to the stomach). Its adverse reactions and contraindications are not clear. It should not be taken by people with cold spleen and stomach. Compound Chen Xiang Stomach Tablet is composed of Chen Pi, Mu Xiang, Acorus Calamus, Rhubarb, etc. It has the efficacy of suppressing acidity and relieving pain, moving qi and harmonizing the stomach (regulating the stomach and internal organs by promoting the operation of qi), and it can treat gastric pain, acid reflux, heartburn and other conditions. The drug can be seen in the adverse reaction of loose stools (feces thin and not shaped), the contraindications are not clear. All the above drugs should be used properly under the guidance of a medical professional. If symptoms of acid reflux occur, please consult a doctor in time to avoid self-medication affecting your health.