Patients with kidney stones can eat kelp. Because kelp is a kind of vegetable, rich in vitamins, and contains trace elements of iodine. Kelp also has a diuretic effect, has a flushing effect on the urinary system, can promote the discharge of stones. Therefore, kidney stones can eat kelp. Patients with kidney stones can work with changes in dietary habits and lifestyle habits to prevent stone formation, such as drinking more water, urinate diligently to ensure that the daily urine output is greater than 2500ml, avoiding long-term sedentary, hold urine, eat more fresh vegetables and fruits, avoid spicy and stimulating foods, avoid eating spinach, animal offal, chocolate, celery, soy foods, with more physical exercise, such as running, jumping rope, Climbing stairs, swimming, etc., can prevent the formation of stones.