Preparation method of disinfectant for killing SARS-GOV-2 and variant strains thereof

The invention provides a preparation method of a disinfectant for killing SARSGOV-2 and variant strains thereof. The method comprises the following steps: 1) preparation of a hypochlorous acid solution: (1) adding an ion exchange resin regenerant with 99.5% of sodium chloride into a salt barrel, and connecting water and electricity; (2) filtering the water through a filter, and feeding the filtered water into a softener to remove calcium and magnesium ions so as to generate softened water; (3) diluting the saturated salt water in the salt barrel by using the salt pump, mixing the diluted saturated salt water with softened water according to an accurate proportion of 100: 1, entering an electrolytic bath, and sufficiently and orderly electrolyzing the saturated salt water and the softened water in the electrolytic bath to obtain a hypochlorous acid solution; 2) preparing a traditional Chinese medicine formula: mixing various traditional Chinese medicine raw materials, and extracting liquid for later use throug