What's the difference between AFC Champions League and AFC Champions Cup?

AFC Champions League and AFC Champions Cup are two different club events in Asia, and they have the following differences:

1. Competition level: AFC Champions League is the highest level of club competition in Asia, representing the highest level of club football in Asia. The AFC Champions Cup is an annual competition between international clubs sponsored by the Asian Football Association, which is second only to the AFC Champions League among Asian clubs.

2. Teams: The teams participating in the AFC Champions League mainly come from the standings of national leagues in the previous year, and each country allocates places according to the level of the league. The teams participating in the Asian League Cup mainly come from the top teams of the highest level leagues under the Association, and these teams are defined as "developing countries".

3. Competition system: The AFC Champions League is divided into East Asia and West Asia, and the champions of the two divisions compete for the final champion. The competition system of the Asian Union Cup is that all participating teams compete with each other in the group stage to ensure that the top two in each group enter the knockout stage. The elimination stage adopts the single defeat elimination system until the final champion is produced.

Generally speaking, AFC Champions League and AFC Champions Cup are different in competition level, team and competition system. Both competitions are aimed at promoting the development and exchange of Asian football.