To drive out foreign influences, the main thing the Boxers did was to

They attack foreigners and burned down missionaries. With the support of the Empress Dowager, they stormed the foreign legations for 55 days. The foreigners did their best to defend themselves against the boxers. An international army composed of British, American, Russian, Japanese, French, German, Italian and other foreign forces liberated the legation and drove the boxers out. The boxers were later executed for their acts.