本文从压杆的微分方程出发，推得了锥形压杆的传递矩阵，用传递矩阵法对复杂的变截面压杆进行了一系列的稳定计算。计算结果表明，本文的公式正确。该方法具有精确度高、力学概念清晰及简便易行的优点，适于工程技术人员在微机上应用 In this paper, starting from the differential equations of the struts, the transfer matrix of the tapered struts is derived, and a series of stable calculations are performed on the complex variable cross struts using the transfer matrix method. The calculation results show that the formula in this paper is correct. This method has the advantages of high precision, clear mechanical concept, and easy operation, and is suitable for application by engineers and technicians on microcomputers.