Brazil beat South Korea 3-0 to advance to the Olympic men's football final where they will face Mexico.
Brazil ended the deadlock seven minutes before the interval on Tuesday with a low Romulo drive, reports Xinhua.
Leandro Damiao then put Brazil in control as he completed a brace with goals in the 57th and 64th minutes.
Mexico earlier came from behind to defeat Japan 3-1 in the other semi-final at Wembley.
The final will be held at Wembley on Saturday.