摘要：根据氢原子的量子力学表征和勒让德近似,得到氦原子的能量表示。结果表明:极限时间量子态氦原子的能量与氦原子能量的实验测定值符合。

关键词： 氦原子；能量；极限时间量子态

Abstract： Based on the the characterization of quantum mechanics for hydrogen atom and Legendre approximation， the relationship of the energy for helium atom were obtained. The results showed that the energy of the limit time quantum statewas fit well withthe experimental value of helium atom. 

Keywords： helium atom； energy； limit time quantum state