<p>Suppression of vibration transfer is the basis of vibration control, and vibration transfer characteristic is usually expressed by vibration transfer function (VTF). The main path and key parameters of VTF can be identified by vibration transfer path analysis (TPA) method. In coupled system, crosstalk is a common phenomenon among transfer paths, which is a bottleneck problem to improve the analysis precision of VTF. The existing TPA methods mainly include classic transfer path analysis (CTPA) and operating transfer path analysis (OTPA). However, CTPA and OTPA still have some defects in solving the crosstalk problem of transfer paths. In order to improve VTF analysis accuracy and solve the crosstalk problem, de-crosstalk method for vibration transfer path (DTPA) of coupled system is proposed in this paper. The differences between DTPA, CTPA and OTPA are compared and analyzed by simulation and test methods. The results show that DTPA method has obvious advantages in solving the crosstalk problem, and the analysis accuracy of DTPA is obviously higher than that of CTPA and OTPA.</p>