PROBLEM TO BE SOLVED: To provide a parallel-type composite melt-blown spinning method and a parallel-type composite melt-blown spinning device which can uniformly maintain a composite ratio and can suppress non-uniformity in fineness even when there is a difference in viscosity between two types of spinning dopes, which do not require a complicated and highly accurate device structure or control, and which can spin high-quality fibers at low cost.SOLUTION: In a spinneret 2, there are provided a plurality of sets 41 each comprising two types of orifices 40A, 40B for guiding two types of spinning dopes independently of each other toward a spinneret tip part 2a, so as to correspond to respective spinning openings 20. In each spinning opening 20, the two types of the spinning dopes are discharged from two discharge openings 42A, 42B of the set 41 comprising the two types of the orifices, and the two types of the spinning dopes discharged from the two discharge openings 42A, 42B of each spinning opening 20 are drawn while being closely adhered to each other by a high-speed air flow.SELECTED DRAWING: Figure 1
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