Objective To study the effects of compatibility circumstances on gastrodias’effect in dispelling wind and dredging collaterals in complex prescriptions. Methods 400 formulae that effected on qufeng tongluo were collected from 1159 formulae with gastrodia， and the frequency of herbs combining with gastrodia in 400 formulae was ranked from high to low. Results According to the compatibility frequency from high to low， before 10 herbs are： Radix Saposhnikoviae（38.75%）， Szechuan Lovage Rhizome（38.00%）， Notopterygium（28.75%）， Angelica Sinensis （27.25%）， Radix Aconiti（20.75%）， Cassia or Cassia Twig（19.00%）， Monkshood （18.00%）， Scorpion（17. 25%）， Achyranthes（17. 00%）， Rhizoma Typhonii （16.25%）. Conclusion It showed that gastrodia should combine with corresponding herbs to form compatibility to exert the effect of qufeng tongluo in formula， which expression of qufeng sanxie， qufeng xuanbi， qufeng huatan and qufeng jiedu.