The purpose of this study is to determine whether transcutaneous auricular vagus nerve stimulation as a complementary therapy is effective in the treatment of pediatric epilepsy.

Inclusion Criteria:

• Diagnosed as epilepsy;
• With age between 2-18 years old;
• The number and dose of the medication was kept constant no less than eight weeks before intervention;
• The patients or their guardians can count the frequency of the seizures and finish the study.

Exclusion Criteria:

• The patient is receiving the VNS therapy;
• Accompanied with progressive central nervous system diseases;
• Have severe heart, liver ,kidney or blood diseases;
• Be pregnant or having the schedule of pregnancy in the study period.