1, aggravating discomfort: some patients have contraindications to massage when the disease diagnosis is not clear. At this time, shoulder and neck massage may aggravate the progress of illness and discomfort. For example, cervical spondylotic myelopathy, shoulder and neck massage may aggravate the compression on the spinal cord and even lead to paralysis.

2, massage technology is not enough: if the massage technology is not enough, such as improper massage techniques, improper massage parts and so on. It can cause symptoms of diseases such as muscle strain, dizziness and headache.