Effect of iTBS on Children With ADHD

Inclusion Criteria: * Clinical diagnosis of ADHD in accordance with DSM-V; * Age 6-12 years old, regardless of gender * Right-handed * Han nationality or born in the Han nationality Ghetto * The course of the disease is greater than 6 months * Webster children's intelligence ≥ 70 * The patient's guardian agrees and signs an informed consent form. Exclusion Criteria: * Concomitant mental disorders such as anxiety and depression; * Widespread developmental disorders and other neurological developmental related disorders; * Complication with other important organ diseases such as heart and lungs; * Suffering from diseases such as epilepsy and tic disorder; * Individuals who cannot tolerate rTMS treatment or cannot cooperate with treatment. * Patients taking psychoactive drugs, antipsychotics, antidepressants, or mood stabilizers 3 months prior to enrollment or during rTMS treatment; In addition to the minimum effective therapeutic dose of Tomoxetine (1.2-1.4 mg • kg/day), there has been systematic use of first-line ADHD drugs in clinical practice Webster's intelligence\<70 * Implantation of metal and electronic components in the body (excluding the oral cavity), such as pacemakers;