There are many reasons for Messi to leave the team. It is the result of long-term accumulation.

1. Neymar’s departure. And Barcelona has been unable to buy back Neymar. Because the relationship between Neymar and Messi Suarez is very good. So Messi has always hoped that Barcelona can buy back Neymar. But Barcelona has never done it.

2. Barcelona’s management has failed to successfully recruit players. Whether it is Umtiti, Coutinho, Dembele or Griesmann, they have not successfully integrated into the Barcelona team. . But it wasted a lot of money for Barcelona.

3. Barcelona’s poor results in the Champions League. Messi's desire for the Ballon d'Or cannot be satisfied. Barcelona have been knocked out of the competition for the third consecutive year. This year's humiliating defeat to Bayern made Messi eager to leave.

4. Barcelona decided to purge Suarez, which made Messi very angry. Because Suarez is Messi's only South American friend. Messi doesn’t want Suarez to leave.

5. The 2-8 defeat against Bayern in the Champions League made Messi feel humiliated. So he hopes to leave Barcelona.

6. Messi feels that Barcelona has never had a suitable coach. He hopes to reunite with Guardiola and work together again.