The invention relates to a combined type oyster row for fresh oyster cultivation, and belongs to the technical field of fresh oyster cultivation equipment. The combined type oyster row comprises a plurality of oyster row rods, the adjacent oyster row rods are connected through chain type connecting mechanisms, oyster string lifting lugs are arranged on the oyster row rods, and buoyancy mechanismsare fixedly arranged at the bottoms of the oyster row rods. According to the combined type oyster row, the plurality of oyster row rods are flexibly combined through the chain type connecting structures, so that any area can be adjusted, maintenance and replacement for local damageare are convenient, and installation is convenient; the oyster row rods are made of plastic, and the chain type connecting mechanisms are made of stainless steel, so that the problems that oyster rows made of a bamboo-wood structure are short in service life, prone to decay, poor in typhoon resistance, heavy in weight, difficult in carrying and long in installation period are fundamentally solved; the buoyancy mechanisms adopt PE plastic material blow molding hollow processing design, expandable polystyrene is filled into the buoyancy mechanisms, and therefore the buoyancy mechanisms are large in buoyancy, light in weight, resistant to salt and alkali and resistant to seawater corrosion; and meanwhile, an interlocking mechanism is arranged for connection, firmness and reliability are achieved, installation is convenient, and high practicability is achieved.