The invention relates to an assessment method of an equipment health state based on monitoring information, which comprises the steps that (1) an assessment model of the equipment health state is established according to the monitoring information collected by primary equipment; (2) according to the assessment model of the equipment health state, historical running data in an assessment period is acquired; (3) noise data in the historical data is treated by cleaning and noise reduction; (4) according to the historical data treated by the noise reduction, a deducted score value of each health state item is acquired; and (5) weighting calculation is carried out to the deducted score values of the health state items in order to obtain a total deducted score of the equipment health state, and a health state assessment result is obtained according to a result correspondence table. In comparison with the prior art, the assessment method of the equipment health state based on the monitoring information provided by the invention has the advantages of simple and accurate calculation, etc.