According to a query to QuickQuestionsDoctor.com, sandworms are mollusks in the wandering order Sarcophagidae, also known as square star worms, and have an overall shape similar to an intestine. Sandworms are rich in nutrients, such as high-quality proteins, vitamins, minerals, etc., which can replenish the body's energy needs after consumption. Sandworms are also medicinal herbs, which can be used as medicine after concoction. According to Chinese medicine, it is sweet and salty, warm and hot in nature, and can be used to tonify the spleen and stomach, nourish the blood, promote water retention and reduce edema, which can assist in the treatment of spleen and stomach weakness, anemia, edema and other illnesses. Most of the sandworms themselves do not contain toxicity, even after biting people will not cause poisoning. Some particular species of sandworms may be poisonous, but the toxins are only harmful to other species in the water and are usually harmless to humans. However, when bitten by a sandworm, there is a possibility of secondary bacterial infection in the exposed wound, which should be promptly rinsed out with running water, and local disinfection with iodophor can be carried out as prescribed by a doctor to prevent bacterial infection if necessary. When catching sandworms in daily life, it is recommended to wear protective gloves as much as possible to avoid bodily injury. From this, we know that sandworms can bite.