NBA is the abbreviation of the American Men's Professional Basketball League. It was established in New York on June 6, 1946. It is a men's professional basketball league composed of 30 North American teams. It brings together the world's top players and is the four major American professional sports leagues. One of them is the highest level basketball tournament in the world. The NBA has a total of 30 teams, divided into the Eastern Conference and Western Conference. Each league is divided into three divisions, and each division consists of five teams. NBA drafts before the start of the season every year. After the draft, there will be a summer league for rookies from each team. The preseason starts in early October, and the regular season starts in mid-to-late October. Also, there is a unique performance event in mid-to-late February. In the All-Star Game, after the regular season ends in mid-to-late April, the top eight teams in the East and West will start the playoffs to decide the East and West Championships and advance to the NBA Finals. The player with the best performance in the NBA Finals wins the Finals MVP honor, and the player with the highest score generally wins the FMVP.

Since the establishment of NA, many great players have been born: Michael Jordan, Kobe Bryant, LeBron James, Kevin Garnett, Bill Russell, Karim Abdul-Jabbar, Wilt Chamberlain, Larry Bird, Karl Malone, David Robinson, Yao Ming, and other players. Some of these players have 5 NBA championship rings; some have six and have two or three. Some have never won the NBA championship ring. Although winning the NBA championship is the ultimate goal of any team and any NBA player in the league. Of course, the most important thing is strength. Luck, injuries, penalties, and other factors will also have a slight impact. In many cases, even the best player may not win the NBA championship throughout his entire career.

Because it is difficult to obtain an NBA championship ring, when we measure whether an NBA player is great, we should not only calculate the number of NBA championship rings but also consider career points, assists, rebounds, The number of steals, etc., of course, these are also some commonly recognized factors, such as the well-known Patrick and Reggie Miller. However, they have not won an NBA championship, and everyone has not forgotten them.