A nickel-containing steel plate according to an aspect of the present invention has a chemical composition within a predetermined range, in which an average coarse grain size of prior austenite which is defined as a simple average value of maximum values of equivalent circle diameters of prior austenite grains in each of ten visual fields having an area of 200 µm², measured at a 1/4t position of the steel plate in a section formed by a rolling direction of the steel plate and a thickness direction of the steel plate is 20 µm or less, and a tensile strength is 690 MPa to 900 MPa.