介绍了用于最近成功运转的高功率，强流密度，低发射度，高亮度虚火花电子束源的强流测量方法──自积分线圈测量法。给出该线圈的实用化设计及其标定方法。实验表明，这种线圈在强流环境里特性很好，虚火花电子束的束质量比冷阴极电子束好得多。 The high current measurement method for high power, high current density, low emissivity, high brightness virtual spark electron beam source, which has been successfully operated recently, is introduced. The practical design of the coil and its calibration method are given. Experiments show that this coil has a good performance in a strong current environment, and the beam quality of the virtual spark electron beam is much better than that of the cold cathode electron beam.