1, with different forms. Phyllostachys pubescens belongs to true coral subclass, usually bamboo-shaped, with many protrusions and branches, and its color is usually white or light yellow; Coral has a variety of shapes, including branching, brain-shaped, angular and so on. There are various colors, mainly pink or red, but also yellow, white and brown.

2. The growing environment is different. Sea bamboo generally grows in shallow water, about 5 to 10 meter of seawater; Coral grows in deeper waters, up to 3000 meters deep.

3. The classification is different. Phyllostachys pubescens belongs to Phyllostachys, while corals belong to Polypodiaceae, which contains many species and groups.

4. Different uses. Sea bamboo is often used as jewelry, handicrafts or building materials because of its beautiful and hard texture. Coral is used in medical research, folk medicine and traditional Chinese medicine, and its nutritional and medicinal value is widely recognized.

5, the growth texture and color are different. There is an annular growth line in the cross section of coral, which is a regular concentric circle, and the growth line of each coral is unique; The cross-sectional lines of the sea bamboo are radial, similar to the sun, and the texture is rough.