Question: who established the six principles of chinese painting
Answer: The Six principles of Chinese painting were established by Xie He in `` Six points to consider when judging a painting '' ( 繪畫 六法 , Pinyin : Huìhuà Liùfǎ ) from the preface to his book `` The Record of the Classification of Old Painters '' ( 古 畫 品 錄 ; Pinyin : Gǔhuà Pǐnlù ) written circa 550 and refers to `` old '' and `` ancient '' practices .