Is my symptom kidney yang deficiency or kidney yin deficiency?

It cannot be simply said that it is kidney yin deficiency or yang deficiency. More complicated. You dream, your back is uncomfortable, and your nose and lips are on fire. This is a symptom of heart-kidney disharmony. Heart fire is too strong, and kidney water can't nourish the heart, so such symptoms appear. Cold stomach and cold hands and feet are all symptoms of yang deficiency. ...