Air purification system based on dynamic life record and filter screen replacement reminding mode

The invention discloses an air purification system based on dynamic life records and a filter screen replacement reminding mode, and belongs to the field of air purification equipments.The air purification system and filter screen replacement reminding mode specifically comprises the following steps that 1, a filter screen life factory setting index reminding threshold value is determined; 2, when the service life index of the filter screen reaches a filter screen service life factory setting index prompt threshold value, the service life of the filter screen is switched to static countdown; 3, after static countdown is ended, the purifier stops running, and the service life of the filter screen is actually ended; the filter screen service life factory setting index prompt threshold value is before the purifier filter screen actual service life end index threshold value. According to the method, the filter screen service life is switched to static countdown when the factory set service life of the filter scre