The numbness in the hands and feet after sitting for a long time may be caused by neuritis. According to clinical experience, numbness in the hands and feet is a relatively common symptom of neuritis, other than muscle atrophy and weakness of the limbs, etc. The cause of neuritis is simple, such as a cold that has not been cured for a long time may cause neuritis. In addition, we must also exclude the presence of lumbar disc protrusion or cervical spondylosis, cervical spondylosis or lumbar disc protrusion, may also appear sedentary hands and feet numbness symptoms, it is recommended that patients can use physical therapy or hot compresses to improve treatment, usually try to reduce the head and sedentary habits, especially often sit in the office group, often due to occupational sitting caused by cervical shoulder and lumbar disease, these diseases reach a certain level are Easier to cause numbness in the hands and feet, try to keep the habit of standing up and moving around an hour to avoid aggravating the disease.