One day, asgroupsof middle school students went to visit Yuhuatai in Nanjing. In the break time, they began to look for Yuhuashi (stone of rain flower) as every traveler does when they visit Yuhuatai. Suddenly a young boy was crowed because he found a very amazing stone which has a complete domain of Taiwan Province. He was the admiration of every classmates. This boy was satisfied in the Yuhuashi finding and from then on he fell in love in colleting Yuhuashi.

　　Now the middle-school boy is already an old man with nearly 50 year's experience in Yuhuashi collection and became a famous collector of Yuhuashi. His name was Li Shizu. Li was born in Nanjing and lived nearly all his life in the capital of East China's Jiangsu Province which provides him opportunity to collect Yuhuashi.According to the research, Yuhuashi was formed because the water of the Yangtze river running and flow over the volcano rocks with the natural agates of the Nanjing, Liuhe, and Yizheng for thousand years. At last , this natural agates camesintosthe beautiful Yuhuashi.

　　Li was very fortunate to born in Nanjing and loves collecting Yuhuashi. He told the reporter that the name of Yuhuashi comes from a beautiful legend. In Liang Dynasty of Southern Dynasty (502-557), the God of Heaven was deeply touched by the sermon of Yunguang Rabbi who was a famous dignitary. Then , the rain flowers were fallen from the sky and gotsintosthe Yuhuashi when they got to the ground. Li said he has been collecting the gifts of the God- Yuhuashi.