Millions of south Korean people to vote, voting fierce dispute's presidential election.
Piao has favorable ruling Saenuri party hopes to create history as the first female President of South Korea.
But she faces a severe challenge, from the moon in a democratic unionist has gradually weaken her in the poll lead.
No matter who was elected President lee myung-bak, replacing his five-year term step down after, according to legal requirements,.
The country's economic growth, social welfare and employment opportunities created dominant campaign.
"People's President"
Opponents had their campaign on the last day, to visit some of the city in a fight, in order to gain median voter.
Generally included in the park into an economic success story in his 1961-1979 rule South Korea, but, he crush dissidents, and allow no democracy.
The two park lady parents be assassinated - her mother in 1974 by a pro north Korean gunmen and her father in 1979 by his own spy chief.
Park lady, sixty years old, who infringe upon human rights apology, in her father's age, said on Tuesday in September, she will be the "people's livelihood, the President who people think that only".
"I will restore damaged middle class and the open era, the middle class accounted for 70% of the population," she said, in her party's headquarters in Seoul news conference.
Month, a former human rights lawyer, have been detained general park regime protest.
He is a chief of staff, Mr. Li's predecessor, roh moo-hyun, who killed himself in 2009, according to investigate corruption.
Sir In his news conference, the moon, points out that the current corruption and incompetence of the accused, the park around the lady his own party.
"The overall crisis... not solved, change on behalf of the players, we must change the whole team," the 59 years old the old man said.
"I'll be a President who wipe away tears, emphasize fairness and justice, make the sacrifice and give of yourself, make oneself in the masses of the people, and keep the dignity."
For their differences, both candidates are put forward are very similar to the policy, the BBC's Lucy Williamson in Seoul said.
They promised to increase social welfare spending, close in the family business giant enterprise group, called zaibatsu of the gap between the rich and the poor, and control.
North Korea on this issue, no heavy thought characteristic activities, despite its recent rocket launch, both candidates have promised more participation, and Pyongyang - although in the park lady, more carefully than her opponent.
Piao hui has a former military rulers of park chung-hee, a daughter.
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