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We obtained the average hard X-ray spectrum of 4U 0142+61 with all available data. The spectrum of 4U 0142+61 can be fitted with a power-law with an exponential high energy cutoff. This average spectrum is well fitted with a power-law of $\\Gamma\\sim 0.51\\pm 0.11$ plus a cutoff energy at $128.6\\pm 17.2$ keV. 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