The invention relates to a preparation method for insect preventing powder for rattan-weaved artware. The preparation method mainly comprises the following steps of: firstly preparing powder of root of kudzu vine, putting the powder in a bottle, igniting the powder, putting residual burned black particles in a bowl, adding 3 parts of edible oil and stirring the mixture for later use; adding epoxy resin and floral water in a stirrer, stirring the mixture to obtain a mixed solution, then heating and stirring the mixture, and taking out 70% of the mixed solution for later use; adding diethylenetriamine, tricresyl phosphate and butadiene-acrylonitrile rubber into the stirrer and continuously stirring the mixture with 30% of the mixed solution for 10 minutes to obtain a mixed solution II, adding essence into the mixed solution II, stirring and mixing the mixture, screening the mixture by a 200-mesh sieve, taking out a solid residue, adding the particles mixed with the edible oil, and burning the mixture obtained to obtain an insect preventing particle semi-product; and grinding the insect preventing particle semi-product, mixing the ground insect preventing particle semi-product with the 70% of the mixed solution, performing distillation till water is evaporated, taking out the residue, and performing granulation and crushing to obtain the insect preventing powder. The preparation method provided by the invention is colorless, tasteless and non-toxic, plays an insect-preventing role and does not corrode the artware.