Protection process for garden ancient building wood

The invention relates to the technical field of historic building wood treatment processes, in particular to a garden historic building wood protection process which comprises the steps that phosphoric acid, dicyandiamide, melamine and water are placed in a stirring mechanism according to a preset proportion to be mixed, and a mixed solution is obtained; boric acid, ammonium polyphosphate, silica sol, a smoke suppressant, a surfactant and a mildew preventive are added into a stirring mechanism according to a preset proportion to be stirred, and a stirred solution is obtained; the stirring liquid and water are poured into a soaking pool according to a preset proportion to be mixed; according to the wood soaking treatment method, the wood soaking depth is large, and the wood can have the good anti-corrosion, mildew-proof and insect-proof effects. The wood soaking treatment method has the beneficial effects that the wood soaking depth is large, and the wood can have the good anti-corrosion, mildew-proof and inse