A verification data processing method includes: receiving CAPTCHA response information sent by user through a user terminal and obtaining an IP address of the user terminal from the CAPTCHA response information; obtaining verification data by verifying the CAPTCHA response information, and storing the verification data in a preset hash table, where the verification data includes the type of a CAPTCHA code corresponding to the CAPTCHA response information, and the number of total verifications of CAPTCHA response information and the number of correct verifications both corresponding to the IP address; determining a user type of the user according to the IP address, the number of total verifications and the number of correct verifications; storing the verification data in a min-heap according to the CAPTCHA code type and the user type; and making a statistic of all the numbers of total verifications and all the numbers of correct verifications in the min-heap.