Liu Haiying, who is praised by patients as the "sword of the world", is a doctor of medicine who grew up during the 80 years of agency thinking. He spent the most important stage of his career in Germany in the mid-1990s, and he developed a rigorous career. Careful and professional character. In many years of medical practice, Liu Haiying often paid out of his pocket to help poor families with severe spinal deformity patients. He knew that if these people did not undergo surgery, they would have organ failure or death waiting for them. However, long-term funding is unsustainable for the economy.Day and night heavy work has made this good doctor with superb medical skills a patient who needs to be taken care of. Colleagues advised him to take more care of his family and body, but he couldn't stop the pace of "saving the wounded." He was still staggering, guarding his life that was hard to give up and saved the wounded.