Cai Zhongjuan is a professional engineer, China's national-level Flower Arrangement Master, former Vice President of China Association of Flower Arrangement Art, and first-class professor of Ikenobo School of Ikebana.

Since 1959, Cai has been the chief director of flower arrangement for the leaders of different countries visiting Shanghai and main festival projects as well as the judge for many international flower arrangement competitions. She has been organizing Flowers' Charm, the Shanghai International Flower Arrangement Art Exhibition. She has been invited to Italy and Japan for flower arrangement performances and exhibitions. Cai has more than ten publications including Chinese Art of Flower Arrangement, and Chinese and Foreign Art of Flower Arrangement Selected Works.