If you know, tell me what to do if there is no flue in the kitchen.

If there is no flue in the kitchen, the solution is as follows:

If there is no flue in a building, then the developer has failed to build the house, and the owner can file a complaint. , let it add the layout of the flue;

Furthermore, directly drill a hole with a diameter of 18cm in the range of 2.4m-2.8m on the wall that separates the kitchen from the outside world; Discharge directly to the outdoors.