There is no such thing as the best food for purifying the blood. Foods only provide the body with the nutrients it contains, and are only of nutritional value to the body. Blood purification usually refers to the removal of metabolic wastes and disease-causing substances from the blood by means of purification devices, and common clinical purification methods include hemodialysis, hemoperfusion and hemofiltration, etc. Food itself does not purify the body, so there is no such thing as the best food for purifying blood. Food itself does not have the effect of purifying the blood, so there is no such thing as the best food for purifying the blood. Food can only provide the body with the nutrients contained in food, such as celery, carrots, pineapple, kiwi and other nutrient-rich fruits and vegetables, which can provide the body with a wealth of vitamins and minerals, and have a certain degree of nutritional value for the body. Specific diet can be consulted for professional medical advice.