A communication quality adjusting system includes: an environment information acquiring unit that acquires environment information representing an environment, in which a receiver is placed, and having an effect on a communication state of the receiver; a criterion determining unit that determines a criterion associating a communication state of the receiver and a reception form used when the receiver receives content in accordance with the environment information acquired by the environment information acquiring unit; and a distribution unit that performs control such that the receiver receives video content in the reception form corresponding to the communication state of the receiver on the basis of the criterion determined by the criterion determining unit.