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 facial paralysis can be treated by one herbs that we have on record. Here is the list below.
Because it is a herb specifically indicated to treat facial paralysis as can be seen on Arisaema With Bile's page.
Its main actions are: To clear Heat and resolve Phlegm, dispel Wind and stop convulsions