The information provided here is not a replacement for a doctor. You shouldn't use it for the purpose of self-diagnosing or self-medicating but rather so you can have a more informed discussion with a professional TCM practitioner.
In Chinese Medicine calluses can be treated by one herbs that we have on record. Here is the list below.
Propolis might help with calluses
Why might Propolis (Feng Jiao) help with calluses?
Because it is a herb specifically indicated to treat calluses as can be seen on Propolis's page.
Propolis is a Warm herb that tastes Pungent. It targets the Spleen and the Liver.
Its main actions are: Softens hard skin and tissues. Reduces inflammation and eases pain. Strengthens the immune system.
Other symptoms often associated with calluses
Burns Mouth ulcers Stomach ulcers Cervical ectropion Skin fissures