When it came to writing rules, LI Qing-zhao, with popular language and melodious rhythm and rhyme, ironed out the contradiction between elegance and mediocrity in late Northern Song Dynasty.

• 就词法而论，李清照以通俗的语言和好懂的音律，化解了宋词发展到北宋末期，已进入到既要雅又要俗的两难困境。