Zhang Hongjun China's Collection of Paintings and Calligraphy and Zhang Hongjun's Selection of Paintings and Calligraphy are two excellent collections of paintings and calligraphy carefully created by Zhang Hongjun for decades. Among them, books have various forms, most of which are masterpieces, and their strokes and words are tall and straight, generous, refreshing and vigorous, with distinctive artistic personality. Zhong Mingshan commented, "His masterpiece is shocking, amazing and admirable." Wu Sanda spoke highly of Zhang Hongjun's works, saying, "It's like painting sand with a cone, which is soft on the outside and rigid on the inside. All five bodies are excellent and eclectic, respecting the ancient and showing the spirit, which can be called heart painting." The Life of Zhang Hongjun's Painting and Calligraphy is a collection of critical articles by more than 40 people, including Mou Lingsheng, Zhong Mingshan and Zhao Zhenchuan. This paper gives a rational evaluation of Zhang Hongjun's artistic exploration, struggle, artistic achievement and cultural spirit, as well as his position and influence in calligraphy and painting.