Simple diabetic patients eating fish is not restricted, sea fish, river fish can eat, but if the diabetic patients combined with hyperuricemia, as well as some diabetic patients combined with gouty arthritis, hyperuricemia for a long time and involved in the joints, blood uric acid increased, to limit the intake of purines, there are some deep-sea fish purine content is relatively high, patients will try not to eat deep-sea fish, if you want to eat, as little as possible If you want to eat, try to eat less. If the blood sugar is simply elevated, sea fish can be eaten, it is a kind of protein and high quality protein, combined with diabetic nephropathy patients eat high quality protein is still beneficial, but if there is diabetic nephropathy, protein is also restricted, restrict the quality, low protein diet, so it also depends on the situation, most diabetic patients are able to eat sea fish.