To provide a valve condition display device which is capable of managing a pipe arrangement easily even if a person is unfamiliar to valve operation and is capable of preventing wrong operation.

Typically, the valve condition display device 100 is configured such that the valve condition display device 100 revolves integrally with a handle of a valve and includes an opening/closing indication portion 110 capable of rotating around the rotary axis in a direction intersecting perpendicularly with the valve axis and a moving element 130 which moves by gravitation according to a change in attitude accompanying revolution of the handle. The opening/closing indication portion 110 is classified into a rotating direction with two or more colors and can change the color to be displayed on the outside by rotating along with the movement of the moving element 130.