The invention provides a mango soy sauce production method, relates to a production method of a soy sauce using mango as a main raw material, and belongs to seasoning production, wherein mango is adopted as a raw material to brew soy sauce, and the brewed soy sauce, soybeans, onion, fresh ginger, sesame and foeniculum vulgare are prepared into the product. The production method comprises: 1, soy sauce brewing: soaking soybeans in water overnight in advance to expand the soybeans, completely cooking the soybeans, drying in the sun for 7-8 days, placing into a fermentation tank, and adding warm water having an amount of 10-11 times the weight of the soybeans; 2, seasoning liquid preparation: placing 8-9% of onion, 4-9% of fresh ginger, 2-3% of sesame, 1-1.5% of foeniculum vulgare and the balance of water into a high pressure cooker, completely cooking, and filtering out the juice; 3, mango salt water preparation: peeling mango, removing hardcore, juicing to obtain a mango juice, and taking salt and mango according to a weight ratio of 1:1 to prepare mango salt water; and 4, preparation blending: mixing the brewed soy sauce, the seasoning liquid and the mango salt water according to a volume ratio of 2:5:2, fermenting for 14-15 days, and carrying out quality inspection and packaging so as to obtain the finished product.