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将作者提出的普适的嵌入原子模型应用到碱金属元素，给出了碱金属族元素的嵌入原子势函数，并用它计算了碱金属元素的弹性常数，计算值与已有的实验值符合得很好，同时，现在的势函数能正确预言碱金属元素的结构稳定性。
The universal embedded atomic model proposed by the author is applied to the alkali metal element, and the potential function of the embedded atomic alkali metal element is given, and the elastic constant of the alkali metal element is calculated. The calculated value agrees with the existing experimental value Well, at the same time, the present potential function correctly predicts the structural stability of alkali metals.