This paper analyses the cause of exceed radon eduction in a uranium mine, suggestes the radon control measures in order that its radiate strength in underground mine air reaches allowed level.

• 本文分析了某铀矿井氡超量析出的原因，提出了控制氡析出的措施，从而使矿井空气中总放射强度达到国家规定的容许水平。