A new method for the measurement of interference fringes by using a CCD solid state image sensor and a Pentium PC is introduced in this article. The principles of the digital image detection of interference fringes and the software designation are described. 介绍了利用CCD固体摄像传感器和奔腾微机测量干涉条纹的方法,介绍了干涉条纹数字图像检测的原理和软件设计思想。