But Park's senior secretary for foreign affairs, Ju Chul-Ki told reporters no final decision had been made on whether the president would attend the showpiece event -- a huge military parade in the Chinese capital on September 3.
"Discussions are currently under way on that," Ju said, while adding that Park was expected to hold a summit with Chinese President Xi Jinping during her three-day stay.
Beijing, however, insists the event has only peaceful aims.
Russian President Vladimir Putin, who staged a similar military parade in May boycotted by many Western leaders, is one of the few to have confirmed his attendance.
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As a result, Park's presence in Beijing, as the leader of a US-allied, fully democratic Asian nation, will offer the anniversary some added international credibility.
Ties between Seoul and Beijing have warmed considerably in recent years and Park and Xi - who have already held two full-fledged summits - are believed to enjoy a good personal rapport.
But Park faces a delicate diplomatic balancing act with Beijing and Washington.
China and South Korea already have strong trade ties, and Seoul wants Beijing to exercise its considerable leverage over Pyongyang to curb North Korea's nuclear ambitions.
But the South's 60-year military alliance with the United States remains the cornerstone of its national defence, and it does not want to become a pawn in the battle between China and the US for influence in Asia.