Wang Yao-ting, director of calligraphy and painting at the National Palace Museum, once wrote of Chou's calligraphy: "To [Tang-dynasty calligrapher] Ouyang Xun's powerful calligraphic style, Chou adds a certain fullness.
現任故宮博物院書畫處處長王耀庭，對周澄的書體曾寫道：「歐陽詢字體的勁險刻厲外，周澄加入了一份腴潤的自我。