What is the most classic Chinese medicine for regulating cold-dampness and spleen traps?

At present, there is no recognized classic Chinese patent medicine for regulating cold and dampness trapped in the spleen, and the drugs commonly used in clinical practice include external use of Clove Clove Stomach Patch and internal use of Angelica Dahurica Zhengqi Capsule.
Compound Clove Appetizing Patch is composed of Atractylodes macrocephala, Atractylodes catharticus, ice chips, cloves, and sand nuts, etc. It can treat abdominal distension, poor appetite, loose stools, abdominal pain, vomiting, and poor appetite caused by cold and dampness trapping the spleen, and weakness of the spleen and stomach. Pregnant women and those who are allergic to this product should not use it externally, and a few people may have localized itching of the skin after using it.
Angelica Dahurica Zhengqi Capsule is composed of Angelica dahurica, patchouli, etc. It can treat diarrhea, vomiting and nausea caused by cold and dampness trapped in the spleen. It is not suitable for patients with diarrhea accompanied by burning sensation in the anus and is contraindicated in pregnant women.
The above drugs need to be used under the guidance of a doctor, do not take medication without authorization.