In this paper, an improved algorithm of Space resection based on pyramid principle is introduced, which has the advantages of simpleness and calculating easily.And an example is taken verify this.

• 本文在文献[1][2]的基础上，对其中部分复杂公式进行改进，得到了表达形式简单，且易于理解和解算的实用公式，并通过实例证明改进算法的正确性。