A portable nebulizer capable of automatically adjusting the nebulization rate according to pulmonary ventilation volume, comprising a housing (1), a medicine liquid box (2), a nozzle (3), a battery (4) provided in the housing (1), a circuit board (5) provided in the housing (1), a nebulizing plate (6) provided between the medicine liquid box (2) and the nozzle (3), a nebulization driving circuit separately connected to the nebulizing plate (6) and the circuit board (5) and provided between the liquid medicine box (2) and the housing (1). The circuit board (5) comprises a main control module connected to the nebulization driving circuit, a pulmonary ventilation detection module connected to the main control module, and a digital display module and a power supply module connected to the main control module； the pulmonary ventilation detection module comprises a signal amplification circuit connected to the main control module, and an internal resistance strain sensor (8) connected to the signal amplification circuit； the nozzle (3) is provided with a blowing channel (7) which is separated from the nozzle (3) and extends from outside to inside； the blowing channel (7) is communicated with the interior of the housing (1), and gas enters into the interior of the housing (1) from the blowing channel (7) to be in contact with the internal resistance strain sensor (8). The nebulizer is convenient to use and environment-friendly.Nébuliseur portable capable d'ajuster automatiquement le débit de nébulisation en fonction du volume de ventilation pulmonaire, comprenant un boîtier (1), une boîte de médicament liquide (2), une buse (3), une batterie (4) disposée dans le boîtier (1), un circuit imprimé (5) disposé dans le boîtier (1), une plaque de nébulisation (6) disposée entre la boîte de médicament liquide (2) et la buse (3), un circuit de commande de nébulisation relié séparément à la plaque de nébulisation (6) et au circuit imprimé (5) et disposé entre la boîte de médicament
