As shown in the figure, fold the filter at the two joints A and B, and then place the filter inside the filter holder 2.Put the necessary amount of ground coffee in the filter(8-10 grams per cup) 3.Pour a small amount of hot water over the coffee and let it stream for about 30 seconds, then pour the necessary amount of hot water. 4.Dispose of used coffee grounds in the garbage can together with the filter by holding the handle of the filter holder.