What method is used to treat flower aphids?

Aphids growing on flowers can generally be brushed off with a brush or brush, or they can be sprayed in the place of long aphids with a wind oil essence solution diluted to 600 times; or they can be prevented and treated with washing powder solution. put 3-4 grams of washing powder into about 100 grams of water, then stir evenly, and then spray the solution on the flowers, generally spraying 2-3 times can completely kill the aphids.