What are the lottery rules for the Champions League group stage? It is said that the Champions League has changed this year. . . . .

According to the rules of UEFA, the seed team will be composed of the top seven league champions and the defending champions of UEFA. At present, the top seven leagues in UEFA are La Liga, Premier League, Bundesliga, Serie A, Portuguese Super League, French Super League and Russian Super League. As the defending champion Barcelona is also the La Liga champion, the eighth Dutch champion Eindhoven became the seed team.