Zhan Shichai, the tallest man in the history of the world, is 3. 19 meters tall. According to Wuyuan County Records, there was a "Dragon Family" in Hongguan, Wuyuan in the Qing Dynasty. He is 0.88 meters taller than sandy allen, the tallest man in the world, and 0.74 meters taller than Wang Fengjun, a 22-year-old Henan youth, the world's first giant. According to historical records, Zhan Shichai worked in Shanghai Yuyingtang Ink Factory and was later hired by Americans to perform all over the world. Later, she became a British citizen, married an Englishman and died in England in her later years. Second, native place: Shaanxi Name: Zhang Gender: Male height: 2.42 meters. Zhang, who is currently 0.02m taller than the Guinness World Record holder, Pakistani male giant Sumu, had a successful operation in zhujiang hospital, Guangzhou First Military Medical University yesterday. Zhang, a 34-year-old male giant in Dingxian County, Shanxi Province, was diagnosed as a pituitary tumor by experts because his body was too tall, his heart was overloaded and his main organs showed signs of failure. This kind of tumor will secrete growth hormone, which will make people grow infinitely tall, leading to increased cardiac function load and heart rhythm failure. Zhujiang hospital neurosurgery used the most advanced stereotactic X- knife radiotherapy yesterday and successfully treated the male giant for more than 2 hours. At present, the condition is slightly relieved. Finally, Bao Xishun, a native of Inner Mongolia, is 2.36 meters tall, without any abnormality or "gigantism". He is the highest living organ in the world and has won the Guinness World Record.