The invention discloses flos sophorae sour-and-spicy sauce with the effect of clearing away heat. The sour-and-spicy sauce is characterized by comprising the following raw materials in parts by weight: 20-30 parts of red hot chili, 10-20 parts of green peppers, 5-10 parts of hawthorn, 1-2 parts of lemon, 2-4 parts of garlic, 1-2 parts of flos sophorae, 0.01-0.02 part of mint, 0.01-0.02 part of chrysanthemum, 0.01-0.02 part of fructus perillae, 0.02-0.03 part of radix angelicae, 0.01-0.02 part of radix bupleuri, 0.01-0.02 part of hance brandisia herb, 0.01-0.02 part of nuphar pumilum, and 0.01-0.02 part of magnolia flower. The flos sophorae sour-and-spicy sauce with the effect of clearing away heat has a certain effect of promoting appetite due to the addition of hawthorn, the mint can bring a cooling feeling, and the traditional Chinese medicines have a certain effect of relieving exterior syndrome. The sour-and-spicy sauce has sour taste, and has breakthrough compared with traditional chilli sauce.