It seems that the imperial court institutions in the Qing dynasty did not understand, such as the chef of the interior office, the bureau of the Qin dynasty and so on.

The Ministry of Internal Affairs is responsible for internal affairs, such as the procurement of items used in the palace and the house where the prince gets married. Just like the logistics department.

The chef is in charge of the food and the kitchen.

Qin is responsible for telling fortune. The date of the prince's wedding needs them to provide options, and the astronomical calendar belongs to them.

Laundry room washes clothes.