PROBLEM TO BE SOLVED: To provide a display device for a vehicle, which does not cause an occupant to feel discomfort for an operation of an on-vehicle system when an automatic operation function provided to an own vehicle is operated.SOLUTION: A display device for a vehicle includes: a presentation device 30 which presents task information for moving an own vehicle in a traveling direction supposed that an occupant operating the own vehicle intends to travel on a branch passage, before the branch passage and a control device 10 which executes a biological information acquisition function for acquiring biological information of the occupant operating the own vehicle, an evaluation value derivation function for calculating an evaluation value of the biological information, a decision-making timing determination function for comparing the evaluation value of the calculated biological information with a preset evaluation reference value and determining timing when the occupant has made a decision from the result of the comparison and a presentation control function for, when the traveling direction supposed by traveling direction supposing means is different from the present traveling direction of the own vehicle, making the presentation device 30 present the supposed traveling direction as an execution task in the timing when the occupant has made the decision.