The spicy soy sauce I have eaten is spicy. When I went to Shanghai as a child, my aunt always bought me fried dumplings from Shanghai. It's all thin stuffing, dipped in spicy soy sauce, and it tastes particularly delicious. I remember that the spicy soy sauce was produced by Shanghai Taikang Food Factory. There are "yellow card" and "blue card", which are fresh and slightly spicy. Now these two kinds of spicy soy sauce are rare, but there is a "good wife" banquet soy sauce in the supermarket, and one of them is not bad.