Radix Rehmanniae Pill (附子理中丸) and Flat Stomach Pill (平胃丸) can be used in combination. They can be used together to treat symptoms such as spleen and stomach deficiency (spleen and stomach weakness and coldness), cold pain in the epigastrium (feeling cold and painful in the epigastrium and abdomen), belching (hiccups), acid swallowing (swallowing acid from the stomach that goes up to the oropharynx), and heaviness in the limbs. Radix Rehmanniae Pill, composed of Radix Rehmanniae, Radix Codonopsis, Rhizoma Atractylodis Macrocephalae, Rhizoma Atractylodis Macrocephalae, Radix et Rhizoma Glycyrrhizae, Radix et Rhizoma Glycyrrhizae. It has the effect of warming the middle and strengthening the spleen. It is used for vomiting and diarrhea, and lack of warmth in the hands and feet. This medicine should not be taken when one has a cold. Flat Stomach Tablet, composed of Rhizoma Atractylodis Macrocephalae, Rhizoma Atractylodis Macrocephalae, Pericarpium Citri Reticulatae and Glycyrrhiza Uralensis. It is effective in drying dampness and transporting the spleen, moving qi and harmonizing the stomach (regulating the stomach and internal organs by promoting the operation of qi). It is used for distention and fullness in the epigastrium (abdomen), inappetence, vomiting and nausea, heaviness of limbs, idleness and sleepiness. It should not be used by those who are suffering from yin deficiency and fire exuberance (deficiency of yin essence in the body, resulting in hyperactivity of deficiency fire). If you need to take the above medicines, you should consult a traditional Chinese medicine practitioner to take them under the guidance of diagnosis, and do not use them on your own at will, so as not to delay your condition.