The Three Kingdoms Age 3 Na Man Invasion is a strategy game, and jewelry is one of the important resources in the game, which can be used to upgrade military commanders and cities. Here's how to get jewelry:

1. Complete the task: You can get different quantities of jewels by completing various tasks in the game.

2. Architecture: Jewelry can be obtained from buildings such as markets and workshops in cities.

3. Attack enemy cities: Attacking other players' cities can take their jewels.

4. Participate in activities: You can also get different quantities of jewelry by participating in various activities in the game.

5. Buy store props: You can also get a certain amount of jewelry by buying props in the store. It should be noted that the amount of jewelry obtained by different ways may be different. It is recommended to try the above methods more and get more jewelry.