1, appearance difference: sea cucumber is dark brown and translucent, with uniform expansion, round shape, no hard heart and complete meat thorns, while sea eggplant, commonly known as eggplant, has almost no thorns, smooth and shriveled, and looks like eggplant.

2. Difference in nutritional value: Sea cucumber contains trace elements such as protein, amino acids, calcium and phosphorus. Is a kind of food with high protein and calcium. Although sea eggplant is also a kind of sea cucumber, it is not as nutritious as sea cucumber and has low edible value.

3. Sea eggplant is also called ginseng. Although its nutritional value is lower than that of sea cucumber, it does not mean that it has no nutrition. It contains protein, fat, carbohydrate, calcium, phosphorus, iron, vitamin B 1 and other nutrients. It has the characteristics of low fat and high protein, and is suitable for patients with hyperlipidemia and hypertension. In addition, moderate consumption can supplement nutrition, improve immunity, tonify kidney and replenish essence.