An atomizer with multiple cylinder blocks separating an air inlet and an air outlet, the atomizer comprising an atomizer casing (1), a motor (2), a first cylinder block (3) and a second cylinder block (4) the atomizer casing (1) comprises an air inlet (11) and an air outlet (12) the first cylinder block (3) is disposed inside the atomizer casing (1), provided with a piston (34) and a connection bearing (35) connected to the piston therein the first cylinder block comprises a first air inlet opening (325) an air inlet check valve (332) is disposed in the first air inlet path of the first air inlet opening (325) the first air inlet opening (325) is joined with one end of a connection tube (36), and the other end of the connection tube (36) communicates with the air inlet (11) to form a first air inlet line the second cylinder block (4) is disposed inside the atomizer casing (1), provided with a piston (43) and a connection bearing (44) connected to the piston therein the second cylinder block (4) comprises a second air outlet opening (422) an air outlet check valve is disposed in the second air outlet path of the second air outlet opening (422) the second air outlet opening is joined with one end of a connection tube (45), and the other end of the connection tube (45) communicates with the air outlet (12) to form a second air outlet line. The first air inlet opening and the second air outlet opening are respectively from different cylinder blocks, such that the air inlet and air outlet of the atomizer are independent structures not communicating with each other, thus solving the problem of cross infection, and being safer in use.La présente invention concerne un atomiseur avec de multiple blocs-cylindres séparant lentrée dair de la sortie dair, latomiseur comprenant un boîtier datomiseur (1), un moteur (2), un premier bloc-cylindre (3) et un second bloc-cylindre (4) le boîtier datomiseur (1) comprend une entrée dair (11) et une sortie dair (12) le premier bloc-cylin
