The method comprises the following steps: firstly, pouring a certain amount of sodium alginate into a basin of warm water and stirring to form a protein-like object, mixing with gelatin, adding sodium benzoate, alum and other chemicals to make protein, while adding lemon yellow pigment to egg yolk, adding calcium chloride and pouring into a mold to form an egg shape, so as to produce an egg film, and the eggshell is made of paraffin, gypsum powder, calcium carbonate and the like.