The invention discloses a breeding method for scallop hybridization breeding. The breeding method is characterized by comprising the steps that firstly, gonad development synchronous breeding is carried out on selected chlamys farreri and Argopecten irradians; then, fully-developed female chlamys farreri in the chlamys farreri and the fully-developed Argopecten irradians are selected, after the female chlamys farreri finishes spawning, the hermaphroditic Argopectehs irradians is set for spermiation, and fertilization is carried out on sperms and eggs to form scallop hybridization fertilized eggs; incubation is carried out on the hybridization fertilized eggs, then larva selection is carried out, and larvas are bred in a larva breeding pond; finally the bred larvas are bred to scallop hybridization fry capable of being bred through settlement and metamorphosis. The hybridization scallop fry are bred from the female chlamys farreri and the Argopectehs irradias in a hybridization mode, and have the prominent advantages that in the breeding process, growing speed is high, resistance to diseases is high, the gonad is poor in fertility, the adductor muscle is large, the growing speed can be improved by more than 30 percent, the yield of primary products of the adductor muscle is improved by more than 40 percent, the obvious heterosis is achieved, and the sustainable development of scallop culture in China can be promoted.