Chronic tension headache is characterized by headache with irregular location and nature, accompanied by head and face muscle tension, shoulder and neck discomfort, dizziness, insomnia, anxiety and depression. 1. Headache: slow onset, gradual aggravation, lasting for several days, headache site is not fixed, most of the headache on both sides, can also be seen in the occipital region, the neck, the top of the head or the whole headache, the nature of the headache manifested as a dull pain, distension, a feeling of heaviness, a sense of pressure, a sense of constriction, and so on. 2. Accompanying symptoms: sometimes accompanied by neck and shoulder pain and discomfort, as well as head and face muscle tension, insomnia, anxiety, depression caused by long-term headache. In severe cases, nausea, vomiting and other discomforts may occur. Chronic tension headache patients need to standardize the treatment under the guidance of the doctor.