A process for the production of filled medicinal candies comprising the steps of: preparing a mixture for a syrup based on a sweetener element with at least one active principle at a temperature below 70°C preparing a mixture for candy forming a casing of a candy, with said mixture for candy, by means of a rolling machine send said casing to a rope sizer inserting said mixture for a syrup in said casing of a candy to form a rope formed by said mixture for candy, filled of said mixture for a syrup measuring the amount supplied of said mixture for a syrup by means of a mass flowmeter setting the amount of said mixture for a syrup, by means of a delivery pump, according to measurements performed by said mass flowmeter controlling the size of the rope adjusting the speed of said rope sizer according to the sizes of said rope.
