Suitable for children, children, the elderly, special patients, adult students, etc. Description 1) The fog is large, the atomized particles are fine, the particles can reach 0.5-5 ¦Ìm, and the drug absorption is more sufficient. 2) Microporous spray tablets, atomization speed ¡Ý0.2ml/min 3) Silent design for low noise design through piezoelectric components 4) Residue of drug ¡Ü0.5ml, economical and practical 5) Two kinds of atomization methods can be selected