Calligraphy works have been selected in the first, second, third and fourth national calligraphy exhibitions and the first, second, third and fourth national youth calligraphy exhibitions. The papers "The Value of Calligraphy in Classics", "Hope lies in Inheritance" and "Aspects of the Present Situation of Calligraphy" were selected for the 2nd and 3rd National Calligraphy Seminar and Xi 'an International Calligraphy Seminar respectively. He once collected five-character poems for Tianjin Food Street, and wrote inscriptions for Premier Zhou Monument of Nankai Middle School and Tianjin TV Tower. There are ink marks in dozens of landscapes such as the Yellow Crane Tower and the Forest of Steles on the Yellow River in China. His works have been exhibited in Japan, Singapore, South Korea, Malaysia and other countries.

198 1, the first national calligraphy exhibition, and the work Li Sao Jing was selected.

1982 the first national calligraphy exhibition for young and middle-aged people, the work "Liao Chengzhi's letter to Jiang Jingguo" was selected, and the paper "Writing Classics and Lanting" was selected.

1983, Tianjin Branch of Book Association was established and elected as the executive director.

1984 The second national calligraphy exhibition "Collection" was selected. Write a five-character plaque for Tianjin Food Street. In the same year, he joined the China Calligraphers Association.

1985 is an inscription for the ancient Great Wall in Jixian County. With the Tianjin calligraphy delegation visiting Japan, Japanese newspapers evaluated its calligraphy as a "book of strength".

1986 works of the second national calligraphy exhibition for young and middle-aged people were selected for collection. Invited to participate in the Sino-Singapore Calligraphy Exhibition. Cao Cao's Weibei style poems were published in People's Daily (overseas edition). Inscription for Premier Zhou Enlai Monument in Nankai Middle School. The work "Fei Long Pian" won the first prize of the first Tianjin Youth Art Festival and the outstanding works award of Lu Xun. In the same year, he won the highest single prize in Tianjin calligraphy circle-the second prize of the first self-taught worker. The paper "A Preliminary Study on the Calligraphy Value of Confucian Classics" was selected for the second national symposium on calligraphy.

1987 The work "On Ou Yangxun's Pen" of the 3rd National Calligraphy Exhibition was selected. Tianjin Youth Book Association was established and elected as its president.

1988 editor du. Elected as vice chairman of Tianjin Book Association and member of Tianjin CPPCC.

From 65438 to 0989, the works of the 4th National Calligraphy Exhibition "Reflections on the 40th Anniversary" were selected, and the paper "Hope lies in Inheritance" was selected for the 3rd National Calligraphy Seminar, and was included in the book "Ten Years of Tianjin Literary Theory".

1990 works of the third national calligraphy exhibition for young and middle-aged people were selected for collection.

The inscription of Tianjin TV Tower was written in 199 1. The paper "The Present Situation of Calligraphy" was selected as the first international calligraphy symposium in Xi 'an. Elected as the director of China Calligraphers Association.

1992 The works of the 4th National Calligraphy Exhibition for Young and Middle-aged People were selected for collection. He published the book Seeking Truth in Little Letters. Calligraphy works were presented to Korea by the mayor, and the mayor was given a gift certificate.

1993 Biography was included in the book Biography of Contemporary Calligraphers published by Henan Fine Arts Publishing House.

1994 was invited to participate in China-Malaysia calligraphy exchange exhibition and Singapore lion city international calligraphy exchange exhibition. These achievements were included in the Dictionary of Experts and Scholars of Ethnic Minorities in China compiled by the State Ethnic Affairs Commission.

1995 was invited to attend the Seoul International Calligraphy Exhibition.

1996 The achievements include Dictionary of Famous Painters and Calligraphers across the Taiwan Strait, Yearbook of World Famous Chinese Artists, Dictionary of World Famous Chinese Painters and Calligraphers.

1997 Editor-in-chief of "Excellent Works of National Children's Calligraphy Competition" of the first China (Tianjin) Calligraphy Art Festival, and wrote the preface "Strengthening the Foundation and Promoting the Branch" for him.

1998' s deeds were recorded in "Tianjin CPPCC Members' Style Record" and "Scientific China People-China Experts Record".

1999 was invited to shoot the personal feature film "Cultural Man-Calligraphy Seeking Truth". Tianjin Library held a personal calligraphy rubbings exhibition, and the calligraphy series published a paper "Writing Classics through Time and Space". The paper "The Necessity of Spiritual Sublimation" was published in Tianjin Literature and History.

In 2000, "Cao Baikun Painting and Calligraphy Exhibition" was held in Tianjin Art Museum. Published Cao Baikun's Collection of Paintings and Calligraphy, Baikun's Xiaokai Caigen Tan and Calligraphy Seeking Truth. Calligraphy Appreciation is a special introduction by Cao Baikun. The paper "Truth has been imperceptibly influenced from the beginning" was published in calligraphy series.

200 1 Calligraphy Newsletter introduces Cao Baikun's Collection of Calligraphy Seeking Truth and Literature Theory, and publishes the article "Hope lies in Inheritance" with editor's note.

In 2002, "Cao Baikun's New Painting and Calligraphy Exhibition" was held in Tianjin Cultural Relics Exhibition Center. "Cao Baikun's Works Exhibition" was held in Beijing National Culture Palace. National Pictorial is a special introduction.