The present invention relates to the system and method for neck traction.A kind of trailer system may include head support, frame assembly, the displaceable member with the head support and the frame assembly mechanical communication, the adjusting part with the frame assembly mechanical communication, and Handleset.Movement of the head support relative to the frame assembly can put on one or more tractive force head and the neck of subject.The displaceable member may include pulley system, pneumatic system, hydraulic system or any other mechanical system.The displaceable member can be configured to move the head support relative to the frame assembly.The angular adjustment component can be configured to engage the structure of the frame assembly.The Handleset can be operatively connectable to the displaceable member.The trailer system can be used for the cervical spine that tractive force is put on to subject.