PROBLEM TO BE SOLVED: To provide an agrochemical spreader having excellent spreadability on a hard-to-wet surface such as crops, weeds, and pests, and at the same time, excellent handling ability, and an agrochemical formulation prepared with the agrochemical spreader.SOLUTION: Used is an agrochemical spreader composed of polyoxyalkylene alkyl ether in which ethylene oxide and/or propylene oxide is added at a predetermined ratio to a specific saturated aliphatic alcohol.SELECTED DRAWING: None