Use vodka
Flies live in swarms, so every time you see them, you will find them gathering in black clusters in extremely unhygienic. They often live in places with a lot of waste, where livestock and poultry live. The way of life of flies during the day will go to find food, and at night they will mate. The reproductive capacity of flies is quite high and the growth rate is fast. The fact that they often fly around and land on people, objects in the house or food will make you uncomfortable.
Vodka is a type of aromatherapy with a warm, pungent aroma, which makes flies and many other insects very hate it. So, apply the above to make a solution to repel flies at home. You need to prepare 1 cup of vodka, 1 teaspoon of lemon eucalyptus oil, and 2 teaspoons of aloe vera juice. Mix the ingredients together and pour into a spray bottle and spray on areas with a lot of flies in the house. They will automatically stay away. When the house has a lot of flies, you can apply this indoor fly repellent trick, guaranteed to be very effective.