Based on different material selection and processing methods, bonsai is mainly divided into two categories: tree stump bonsai and landscape bonsai. For example, Zaozhuang Yicheng pomegranate bonsai is mainly based on tree stump bonsai. It uses pomegranate trees as the main body. Sometimes it is also made with rocks and other linings to make elegant and unique pomegranate bonsais. The main purpose is to appreciate the various shapes of the pomegranate tree as well as the stems, flowers and fruits. Characteristics of branches and leaves. Through artistic processing and careful cultivation such as carving, tying, twisting, pruning, topping, bud wiping, peeling, cutting, and bending, the growth and development are controlled for a long time, resulting in a pomegranate bonsai with an old and simple look, just like the mountains and forests nearby.

The main forms are as follows: Straight stem type: The main trunk is majestic and straight, slim and graceful, and branches at a height of 20--30cm, which is elegant and elegant. Slanted trunk type: The main trunk is tilted to one side, the branches and leaves are distributed in a natural and orderly manner, and the tree shape is balanced and dynamic, which is more poetic than the upright trunk shape. Curved trunk type: The main trunk is twisted and the tree shape is varied, but it cannot be bent too much. If it is bent too many times, it will lose its beauty. Lying trunk type: The main part of the trunk lies across the basin, like a tree struck by lightning and blown down by the wind. The tree shape is old and strange, full of wild charm. Cliff style: The main trunk is curved and drooping, like a pine or vine growing downward. Dry type: The main trunk is rotten but the branches and leaves are still luxuriant, like a dead tree in spring. Double-stem style: One piece of wood with two stems, one high and one low, so that the shape is beautiful when one is bent and the other is raised. Combined planting: two or more pomegranate trees, with various varieties, blooming flowers and ripe fruits, unique style. Attached stone type: The pomegranate tree is planted in the cracks of the stones and rooted in the soil. From a distance, it looks like a tree growing on the cliff. It is simple, natural and vivid in the painting.