The present invention provides an image recording material support which contains a paper, wherein the paper contains at least a pulp; and the content ratio of long fiber pulp having a fiber length of 0.7 mm or more in the paper relative to the entire pulp content is 20% or less; and also provides a method for producing an image recording material support which includes beating a pulp using a refiner equipped with beating plates having an average blade angle of 10 degrees or less.