The invention relates to an adjustable cleaner for cleaning cuttings in runners of an oblique three-way valve. The adjustable cleaner comprises a working table, a positioning cylinder, an arc-shaped guide rail, a rotary fixing base, a first cleaning cylinder, a first cleaning block, a clamping base, a second cleaning cylinder, a second cleaning block, a motor and a gear; one end of the arc-shaped guide rail is arranged on the upper part of the rotary fixing base in a sleeved manner; the first cleaning cylinder is fixed on the upper end of the rotary fixing base; the first cleaning block is arranged on the first cleaning cylinder; one end of the positioning cylinder is connected with the front part of the upper end of the working table; the other end of positioning cylinder is connected with the other end of the arc-shaped guide rail; the arc-shaped inner side wall of the arc-shaped guide rail is provided with an arc-shaped rack; the second cleaning cylinder is fixed on the upper end of the clamping base; the second cleaning block is arranged on the second cleaning cylinder; and the gear is meshed with the arc-shaped rack. The adjustable cleaner has the advantages that the adjustable cleaner is reasonable in structural design, high in automation degree and convenient for operation and use; and cleaning on cuttings in runners of oblique three-way valves with different slopes can be realized.