Vice President Mondale says he will be beating the drums for the Democratic Congress this fall despite its disputes with the White House.

"We reserve the right to be critical of Congress in areas where we don't agree," Mondale said yesterday. "But the president and Congress are working together quite well."

Talking to reporters at a breakfast session at the White House, Mondale also said he thinks President Carter's standing in the opinion polls will rise once the public perceives this progress.

And Mondale said he had no reservations about campaigning for congressional Democrats who have been openly critical of Carter or who have opposed his legislative proposals.

"If the people will elect everyone I campaign for, we will have no difficulties, he said.

Repeating a frequent administration defense that Carter has been faced with a series of tough issues in his first 18 months as president, Mondale said the record is still pretty good despite the highly publicized clashed with Congress.

"We don't shy from these issues," Mondale said. "This kind of leadership, although it takes on controversial and unpopular issues, is the only kind the country should have."

Mondale conceded some setbacks, citing the failure to get health cost containment legislation as a prime example, but he said the administration got a number of important, if not polticially attractive, measures through Congress.

He listed the Panama Canal treaties, Social Security funding, tentative congressional agreement to end the Turkish arm embargo, and creation of a Department of Energy.