Practical common sense of buying coffee beans by yourself

How to choose coffee when you buy it yourself. Pay attention to whether the color and particle size of coffee beans are the same. Good coffee beans are shiny and have a strong aroma without peculiar smell. two。 Grab one or two coffee beans in your mouth and chew them with a crisp sound (indicating that the coffee is not damp) and the fragrance between your teeth is the best, but it is best to pinch them with your hands to feel whether the coffee beans are solid and not to buy crispy coffee.