Only fresh coffee beans can grind good coffee.

Look at: look at shape and color. Good coffee beans have complete shape, full grains and bright color, on the contrary, the shape is incomplete, the dark black coffee beans are very bitter, and the yellow ones are very sour.

Hand grab: grab one and put it in the palm of your hand to feel whether it is a solid bean.

Nose smell: put on the tip of the nose to smell, fresh coffee beans smell strong fragrance, otherwise the smell is not good or tasteless.

Hand pressure: fresh beans are fresh and crisp, and there is a fragrance when they crack.

Bite: put the beans into the mouth to bite twice, the sound is clear to show that it is not damp, coffee beans are well preserved.

Grinding: fresh coffee beans are easy to adhere to the outlet of the grinder when grinding.

Brewing: fresh coffee beans are rich in foam when they are brewed, and the foam is layered with coffee grounds.

Note: enough fresh coffee beans can exert the unique flavor of coffee to the limit, giving people the ultimate enjoyment of lips and teeth. Therefore, buying coffee beans to identify freshness is the most important.