Method The competitive frequency fluctuation characteristics of the dominant frequency in the band of 7～12 Hz in EEG and power density spectra of α band power fluctuation were analyzed with a newer system of electroencephalofluctuographic technology in 20 patients (male 13, female 7, aged 17～37 years) with paroxysmal headache.

Conclusion Idopathic headache is relatied with abnormal o.

A clinical study of primary chronic daily headache;