The invention discloses a high-strength adhesive for pencil production. The high-strength adhesive is prepared from the following materials: vinyl acetate, terpene resin, C9 petroleum resin, butyl benzyl phthalate, polyethylene glycol, sodium dodecyl benzenesulfonate, sodium hexametaphosphate, ammonium persulfate, sodium bicarbonate, ethyl acetate, corn fiber gum, chitosan, an antioxidant, a functional filler and deionized water. According to the invention, a plurality of raw materials are reasonably collocated, so the comprehensive use quality of the adhesive is effectively improved, and thefinally prepared adhesive has high adhesive properties, good temperature resistance, strong weather resistance, stable usability, good comprehensive quality, long service life, high market competitiveness and high promotion and application value.