The invention discloses a method for preparing a myrcenyl 
vinyl ester resin 
monomer. The method comprises the following steps: adding unsaturated 
carboxylic acid or anhydride into a reactor, and dripping 
myrcene; reacting after dripping is ended, and thus obtaining myrcenyl 
carboxylic acid or myrcenyl anhydride; adding myrcenyl anhydride and water in an equal 
molar ratio into the reactor, adding 
epoxy chloropropane, and stirring, so that the anhydride group is fully hydrolyzed; adding a catalyst A for reacting, or adding the myrcenyl 
carboxylate or 
epoxy chloropropane into the reactor, and adding the catalyst A for reacting; reducing the temperature and adding 
sodium hydroxide and 
calcium oxide; spreading 
filter paper and diatomite, and performing reduced pressure suction 
filtration to obtain filtrate; performing rotary 
evaporation to remove excessive 
epoxy chloropropane, and thus obtaining a myrcenyl epoxy resin intermediate; adding the myrcenyl epoxy resin intermediate, a catalyst B and a 
polymerization inhibitor into the reactor, raising the temperature, dripping 
acrylic acid into the reactor, reacting after dripping is ended, and thus obtaining the myrcenyl 
vinyl ester resin 
monomer. The prepared 
vinyl ester resin is high in strength, high in 
corrosion resistance and high in 
weather resistance.