The utility model discloses a bus riding comfort monitoring device based on accelerated speed change, which is used for the driver to reduce the discomfort caused by the sharp change by the useless acceleration, reduction, overtaking, sharp turning and the like. The monitoring device comprises an acceleration sensor, a difference amplifier, a V-f convertor, a wave generator, a digital frequency comparer, a buzzer and a counter. The utility model has the advantages that the monitoring device not only can remind the driver of improving the driving quality by the buzzer, not only can evaluate thecomfort of the bus according to the data display of the counter, and the evaluated result can be fed back to the driver to improve the comfort during the driving.