1, the real sea cucumber has openings at both ends, and the overall color is dark brown or dark brown, with uniform color and uneven length of spikes on the sea surface. A fake sea cucumber is an artificial sea cucumber. There are no openings at both ends, or the openings are not obvious. The length and size of the spikes are relatively uniform, and the surface color is dark black. After a long time, the color of the fake sea cucumber will fade and look unnatural.

2. The artificial sea cucumber has poor elasticity, and it will appear the problems of peeling and fading after being soaked in water. From the perspective of the foam ratio, the higher the foam ratio of sea cucumber, the better its quality. The foam ratio of light dry sea cucumber is about fifteen times, while that of salt dry sea cucumber is about north, and the foam ratio of some fake sea cucumbers is less than five times.

3. Many sea cucumbers sold in the market are relatively low in price, so they should be carefully selected when purchasing. Many artificial sea cucumbers made by merchants not only have no nourishing effect, but will have adverse effects on health. There are also many ready-to-eat sea cucumbers sold in the market, and there are also a large number of artificial sea cucumbers.