1. From the color point of view, Buxus microphylla bark is grayish yellow, and Buxus microphylla bark is yellow.

2. In terms of weight, Buxus buxus is less dense and lighter than Buxus microphylla;

2. In terms of smell, Buxus microphylla has obvious fragrance, which is not greasy after a long time, and Buxus microphylla has no obvious taste;

3. In terms of hand feeling, boxwood with small leaves is delicate and smooth, and there is no feeling of blocking hands, which is much better than boxwood;

4. From the cross section of logs, the annual rings of Buxus microphylla are thin and curved, while the annual rings of Populus tomentosa logs are thick and inconspicuous, with thick edges.