Liquid formulation compositions and medicament delivery devices, and methods for preparing and using thereof. For example, the liquid formulation composition comprises a solvent and liquid particles, which includes surfactants and is dispersed in the solvent. The volume average particle size of the liquid particles is less than about 100 µm；the surface tension of the liquid formulation composition is less than about 60 mN/m；and the absolute value of zeta potential is greater than about 15 mV. The containment vessel may be a sprayer or a dropping device.
