1. First wash the cucumber, cut off the head and tail. When cutting off the head and tail, you can cut it diagonally. 2. Then cut the cucumber into several sections, each section should be controlled to be 3-5cm. It should not be too long, and it should be noted that it must be cut diagonally. 3. Then put the chopped cucumber upright on the cutting board and cut it directly from top to bottom with a kitchen knife. Each cucumber can be cut into four or five pieces. The cut cucumber will be in the shape of a rhombus. 4. The cut cucumber should not be too long. On the one hand, it is inconvenient to cut the cucumber and it is easy to cut into the hand. On the other hand, it is not beautiful if it is too long. 5. Why do cucumbers need to be cut diagonally when cutting into sections? Because if not cut diagonally, the final cucumber will not be rhombus-shaped, but rectangular. For round cucumber slices, just cut the whole cucumber diagonally into small slices, and then you can cut them into small round slices for facial mask. In addition, after cutting the cucumber in half, you can also cut it into semi-circles, and you can also pat the cucumber. For the skilled cook, there are even more ways to cut cucumbers.