The Apertura tournament was played in a single all-play-all system. At the end, the top eight teams qualified to a playoff stage to determine the Apertura champion.
Cerro Porteño wins the Apertura tournament final by an aggregate score of 6-1 on June 24, 2001.
Torneo Clausura
The Clausura tournament was played in a single all-play-all system. At the end, the top eight teams qualified to a playoff stage to determine the Clausura champion.
The top eight teams qualified to this stage with the exception of Cerro Corá, who was replaced by Olimpia because Cerro Corá was already relegated to the second division based on a three-year average point table.
Cerro Porteño wins the Clausura tournament final in a penalty shootout.
Championship game playoff
Since Cerro Porteño won both the Apertura and Clausura tournaments they were declared as the national champions and no playoff game was played.
Relegation / Promotion
Cerro Corá automatically relegated to the second division after finishing last in the average points table based over a three-year period.
Atl. Colegiales finished second-to-last in the aggregate points table, so had to participate in the promotion play-off game against second division runners-up Club Sport Colombia. Sport Colombia won the playoff game by an aggregate score of 5-1, so Colegiales was relegated to the second division.
Deportivo Recoleta promoted to the first division by winning the second division tournament.
The remaining two spots for Copa Libertadores were decided in the Pre-Libertadores playoff tournament.
Pre-Libertadores playoff
Six teams participated based on aggregate points during the year. Sportivo Luqueño entered the playoff with three bonus points by winning the runners-up game against Guarani.