According to the meridian theory of Chinese medicine, "ten fingers are connected to one heart". Meridians connect fingers with cranial nerves and internal organs. When the five fingers move the iron ball, the stimulation of the iron ball on the acupoints of the fingers and palms must keep the qi, blood and body fluid unobstructed.

It can dredge meridians, regulate qi activity, relax tendons and activate collaterals, promote blood circulation, and prevent and treat hypertension and various chronic diseases. Long-term exercise can also strengthen the brain, increase wisdom, enhance memory, eliminate fatigue, refresh the mind, and prolong life.

On August 2016 18, "Baoding Iron Ball Successful Awarding Ceremony" and "Large-scale Iron Ball Fitness Dance Performance" were held in Xigaozhuang Stadium, Lianchi District, Baoding City.

Baoding iron ball, also known as fitness ball, has a long history and is the first of the "Three Treasures of Baoding". Middle-aged and elderly people in Baoding like to play with iron balls. Generally, they hold two iron balls in one hand to relax their muscles and keep fit. In order to better inherit Baoding iron ball culture, improve the health level of the whole people, and enhance the popularity and reputation of Baoding Shoubao fitness iron ball.

Baoding North Arts and Crafts Co., Ltd. hired Baoding literature and history experts to compile the Legend of Baoding Iron Ball, and developed various forms of "iron balls" such as Yuci fitness ball, 304 stainless steel fitness ball and sandalwood Chinese medicine physical therapy fitness ball according to Baoding iron ball innovation. "Iron Ball Fitness Law" and "Iron Ball Making Skills" were approved as the intangible cultural heritage of Baoding City.

Hebei News Network Baoding Iron Ball successfully applied for the World Heritage.