2. Oyster sauce is a condiment extracted from seafood. Strictly speaking, it is not seafood, but patients with gout should try not to eat oyster sauce, because the purine in oyster sauce is relatively high. Gout is a disease caused by the accumulation of uric acid in joints due to excessive production or too little excretion. Therefore, patients should strictly limit the food with high purine, try not to eat oyster sauce, seafood and beer.