A method for breeding fly maggots with medicinal value comprises breeding adult flies and breeding fly maggots. An adult fly house is made of mesh cloth and thin plastic film. The top of the adult fly house is made of glass steel tile. The adult fly house is provided with ropes and dishes for collecting flyblows. The top of a fly maggot house is made of black adumbral mesh cloth. The fly maggot house is provided with a maggot breeding pond and a maggot collecting pond. The feed for the adult flies is composed of milk powder (80-95 weigh parts), brown sugar (1-3 weigh parts) and fruits (10-15 weigh parts). The feed for the fly maggots is composed of animal protein (25-100 weigh parts), vegetables (0-30 weigh parts) and anticancer factors (3-5 weigh parts). The animal protein is at least two combinations comprising frogs, freshwater fishes and animal viscera. The anticancer factors are any one or at least two combinations comprising yew leaf, stellera chamaejasme, and nidus vespae. The fly maggots bred by the method have a quite good inhibiting effect on the growth of multiple tumors and bacteria, and their antineoplastic biological activity is between 80 to 97 percent.Linvention concerne un procédé pour élever des asticots de mouche à valeur médicinale consistant à élever des mouches adultes et leurs asticots. Un logement de mouche adulte est constitué dun tissu maillé et dun film mince en plastique. La partie supérieure de ce logement est composée dune plaque de verre/acier. Le logement de mouche adulte comprend des fils et des coupelles pour recueillir des mouches de viande. La partie supérieure dun logement dasticots est constituée dun tissu maillé noir obscur. Le logement de mouche adulte comprend un bassin délevage dasticots et un bassin de recueil dasticots. Lalimentation des mouches adultes est composée de lait en poudre (80-95 parts en poids), de cassonade (1-3 parts en poids) et de fruits (10-15 parts en poids). Lalimentation des asticots est composée de pro
