According to the public health network, the yellow and thin inside crabs are generally edible. If it is not cooked, try not to eat it. The nutritional value of yellow in crab is relatively high, and it is rich in nutrients such as protein, calcium and phosphorus, and the content of fat and cholesterol in crab is also relatively high. If it turns yellow and thin because it is not cooked well enough, try not to eat it. There may be parasites and bacteria, which will cause indigestion. Before eating crabs, you must steam them before eating them. For patients with hypertension and hyperlipidemia, you should eat less or not eat crabs. Crabs are cold, so pregnant women, the elderly and infants should also avoid eating, and eat more light food.