People with gout can eat purple potatoes. Because the main components of purple potatoes are starch and protein foods, so purple potatoes are purine-free food. Properly eat purple potatoes for gout patients have great benefits, purple potatoes mainly contain some starch, protein, pectin and a large number of plant fiber as well as amino acids, vitamins and a variety of mineral elements, so the nutritional value is very rich. Also rich in selenium and anthocyanins, these nutrients have a certain health and health care functions, and the protein and amino acids contained therein are easily digested and absorbed by the human body. Gout patients eating purple potatoes will not aggravate the condition.