Sand nut has the effect of resolving dampness and opening the stomach (normalizing gastrointestinal function by removing dampness), warming the spleen and stopping diarrhea, etc. Alternative medicines with similar effects can be chosen, such as cardamom and pelargonium. Note that the drug should be used under the guidance of a doctor, do not replace the use of drugs on their own. 1. Sand nut: has the effect of transforming dampness and opening the stomach, warming the spleen and stopping diarrhea, regulating qi and stabilizing the fetus, can be used for the treatment of dampness and turbidity in the obstruction, spleen and stomach cold, epigastric plumpness, vomiting, diarrhea, as well as pregnancy dyspepsia (early pregnancy, nausea and vomiting, dizziness and anorexia, or even vomiting), fetal restlessness and other conditions. This drug should be used with caution in cases of yin deficiency and blood dryness. The adverse reactions and contraindications of this drug are not clear. 2. Cardamom: Cardamom has the functions of resolving dampness and moving qi, warming and stopping vomiting (treating vomiting caused by gastric cold by warming the spleen and stomach), appetizing and eliminating food, which can be used to treat dampness and turbidity obstruction, cold and dampness vomiting, distension and pain in the chest and abdomen, loss of appetite, and non-digestibility of food stagnation (the accumulation of poorly-digested food in the stomach). This drug should be used with caution in cases of yin deficiency and blood dryness. The adverse reactions and contraindications of this drug are not clear. 3. Peilan: It has the functions of waking up the spleen with aroma, resolving dampness and opening up the stomach, releasing and relieving summer heat, and can be used in treating dampness and turbidity obstruction in the middle of the body, symptoms such as epigastric plumpness and vomiting (the symptoms of fullness of the stomach and the abdomen that lead to nausea and vomiting), sweetness and greasiness of the mouth, bad breath and salivation, as well as symptoms such as superficial evidence of summer dampness and the first symptoms of wetness-warmth (warmth caused by feeling dampness-heat). The adverse reactions and contraindications of this drug are not known. All of the above drugs should be used under the guidance of a professional doctor, do not use the drug on your own, and do not make drug substitutions on your own.