On the basis of analyzing the concept of tactical datalink, the paper puts forward the idea of constructing hardware in the loop simulation integrated verification platform of tactical datalink, analyzes the function orientation of hardware in the loop simulation integrated verification platform, and studies the specific components of hardware in the loop simulation integrated verification platform of tactical datalink, including the key technology of environment system simulation, effectiveness evaluation model, intelligent countermeasure deduction. Finally, the paper summarizes and prospects the construction of hardware in the loop simulation integrated verification platform of tactical datalink.