If the group matches are all tied at 0: 0, how can we qualify in the end?

The qualifying rules for the group stage are as follows:

A, the person with the highest score ranks first.

B, the group with the highest goal difference ranks first.

C. If two or more teams are still tied according to the above rules, compare them in the following order to determine the ranking order:

Compare the scores of matches between several teams. If they are still equal, then:

E. compare the goal difference of several teams in parallel. If it is still equal, then: f, compare the number of goals scored by several teams in parallel. If it is still equal, then: g, draw lots.