“Stick out your tongue, please.” 

 

 

 

 

 

 

 

 

 

 

this is what your tongue may look like if you need Gui Pi Tang. Pale-“ish”, maybe a slight, slight coating.

 

 

 

 

 

 

 

 

Your tongue may look like this is you need Yue Ju Wan (although this one is a little extreme). Thick yellow coating, red or purplish tongue body.