Is it accurate to eat imperial grain for fortune telling?

What does it mean to be a horse fairy and eat imperial food?

The meaning of going out to eat imperial food is as follows:

1, eat public meals and live on wages. It also refers to national civil servants and staff in institutions managed by civil servants, that is, those who rely on national and local financial allocations to pay wages and salaries without paying social security funds;

2. Help the country to do things;

3. National cadres.