In addition to these two effects, it can also play a role in the treatment of cervical spondylosis, for upper limb numbness and shoulder and neck pain can be effectively treated and care, for exercise can make our muscles avoid atrophy and other situations, strengthen the function of our own nerve fibers. Long-term use of intermediate frequency physiotherapy equipment will make our granulocytopenia attack, and short-wave and some radiation, in addition to the use of life, we should minimize the time and frequency of use