The products are mainly used inflatable traction theory, thenerve vascular organizations involved, the restoration of physicalQudu cervical vertebra. Main type of cervical vertebra diseasesapplicable to the nerve roots to work long hours, learning, or arebrought by the neck muscle pain and other symptoms of a cleartreatment effect. Yongbenpin to build, safe convenient, tractionforce to 80 kilograms, can any self-therapy patients.