Flucytosine preparation method applicable to industrial production

The invention discloses a flucytosine preparation method applicable to industrial production. The method comprises the following steps: performing chlorination on fluorouracil, performing ammonification, and performing hydrolysis, thereby obtaining flucytosine. To solve defects, the invention provides the flucytosine preparation method applicable to industrial production, and the method is small in process procedure, simple in operation, low in investment cost, relatively good in prospect and applicable to large-scale industrial production.