Hairy crabs are rich in nutrients. According to the Compendium of Materia Medica, crabs have the effects of relaxing muscles and tendons, replenishing qi, regulating stomach and digestion, clearing meridians, dispelling heat, and dispelling blood stasis. Crab meat tastes salty and cold. It has the effects of clearing heat, removing blood stasis, and nourishing yin. It can treat traumatic injuries, tendon fractures, and allergic dermatitis. Crab shells are calcined, mixed with honey, and applied externally to treat wasp stings or other unknown swelling toxins. Crab meat is also a natural tonic for children. Regular consumption can supplement high-quality protein and various trace elements.