How can I get rid of flies?

The method of driving away flies is as follows:

1, put some chopped onions, onions and garlic in the kitchen. Flies are very sensitive to the smell of onions and garlic.

2. Igniting dried orange peel indoors can not only drive away flies, but also eliminate odor.

3. spraying vinegar indoors can drive away flies.

Put a pot of tomatoes indoors to drive away flies.