Choose vigorous crabs and tie their feet and pliers to reduce their physical exertion.

Put it in the freezer of the refrigerator and cover it with a wet towel at the temperature of 5-10. When eating, choose crabs with insufficient vitality and sufficient vitality to continue to be preserved. Distinguishing method of lack of vitality: touch the crab's eyes with your hand. If the reaction is not sensitive, it means lack of vitality.

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Crabs are rich in protein, high in cholesterol and purine. People with gout should be self-controlled when eating, and people with colds, hepatitis and cardiovascular diseases should not eat crabs. China has a tradition of eating crab before and after the Mid-Autumn Festival. Traditional Chinese medicine thinks that crabs are cold, so ginger and perilla are often used to prepare seasonings for eating crabs.

Promotion materials: Baidu Encyclopedia-Crab