The invention belongs to the technical field of synthesis of a platinum catalyst, and particularly relates to a platinum-containing hydrosilylation catalyst with a metal ion interference resistant function as well as preparation and an application. A platinum-containing compound and an organo-siloxane ligand containing double bonds are subjected to a reaction to synthesize an organo-siloxane complex of platinum, a functional organic compound with a crown-ether-like structure is added, and the platinum-containing hydrosilylation catalyst with the metal ion interference resistant function is obtained, wherein the functional organic compound with the crown-ether-like structure has a structure represented as a formula I. With the adoption of the platinum-containing hydrosilylation catalyst with the metal ion interference resistant function, the problems that the stability becomes poorer, the catalyst is prone to poisoning, inactivation and precipitation of platinum black and the like when a traditional platinum-containing hydrosilylation catalyst is contacted with a few heavy metal ions are solved effectively; the catalyst is good in stability, can be stored for a longer time and saves use cost.