Flowers have small flying insects. What kind of medicine do you use?

Flowers with small flying insects can generally be sprayed with the right amount of insecticide, or you can use the following ways to deworming. Soak the orange peel in water and put it in the sun for 3 days, then dilute the soaking solution and spray the flowers, and pour a little in the flower soil, generally use about 2 times to drive away the small flying insects; put the yellow armyworm cardboard around the flowers to trap the small flying insects; cover the surface of the flower soil with a layer of sand or perlite to reduce its humidity.