RESUMO
Yu Weihan, academician of the Chinese Academy of Engineering, devoted his whole life to the prevention and control of endemic diseases and basically eradicated the epidemic of Keshan disease. Academician Yu Weihan’s struggle experience has left us with valuable spiritual wealth. His spiritual strength is manifested in many aspects, such as the spirit of bearing hardships first, the spirit of innovative daring to be the first, the spirit of craftsmen striving for perfection, the patriotic spirit of caring for the people, and the dedication of being indifferent to fame and wealth. His great medical feelings of bravely shouldering the mission, caring for the people and taking root in the grass-roots have forcefully answered the three important questions: what kind of doctor to be, who to be and how to be a good doctor in the learning and working career of doctors in the new era. He set an model for doctors in later generations and highlighted the value of this spiritual strength for the time.