2. The first onset age of primary headache was less than 50 years old(Age \<65 years at first diagnosis of chronic migraine);
3. patients with primary headache (migraine, tension headache and other types of primary headache) or primary headache complicated with MOH according to ICHD-3;
4. Sign the informed consent form.
You may not be if
1. According to the ICHD-3 diagnostic criteria, there are still headaches directly related to secondary factors (except drug overuse) at the time of enrollment;
2. Those who cannot be diagnosed as primary headache or primary headache combined with medication overuse headache according to ICHD-3;
3. According to DSM-V diagnostic criteria, patients with severe mental diseases (such as schizophrenia, mental disorders associated with mental retardation, etc.);
4. Patients with severe organic diseases, such as malignant tumors, and the expected survival time is less than 1 year;
5. Pregnant,planning pregnancy or Lactating women;
6. Subjects participating in other clinical trials;
7. Unable to cooperate to complete the follow-up due to geographical or other reasons
