After becoming a member of Skywalker. You will get two points every time you fly Emirates. One is the integral of tier mile, and the other is the integral of SkywardMile. Tier mile points are used for upgrading. From ordinary blue card to silver card, it needs 25,000 points. If you want to upgrade, you can use SkywardMile's points to upgrade.
Different places require different points. For example, when flying from Dubai to China, there is generally no SkywardMile score of 7-8w. The number of points required depends on the distance.