Because Wang Zhihe Stinky Tofu was first found to have product quality issues and was removed from the shelves. After active rectification, the quality was up to standard and it was able to be put on the shelves again. Among the tested batches, the rose fermented bean curd produced by Wangzhihe Food Factory of Beijing Wangzhihe Food Group Co., Ltd. contained acesulfame potassium at 0.07g/kg. According to reports, acesulfame potassium and cyclamate are both artificial sweeteners, and excessive intake is harmful to human health. The national mandatory standard GB2760-1996 "Hygienic Standard for the Use of Food Additives" stipulates that acesulfame potassium shall not be detected in fermented bean curd, and the cyclamate content should be ≤0.65g/kg.