Disclosed is a liquid spitting pipette tip, comprising a needle stem (113) having a hollow cavity and an outlet end (112) arranged at one end of the needle stem (113), wherein the included angle between the normal of an end surface of the outlet end (112) of the liquid spitting pipette tip and the extension direction of the needle stem (113) is less than or equal to 90 degrees. Further disclosed are a motion control mechanism, a micro-droplet generating device and method, a fluid driving mechanism and method, a micro-droplet generating method, and a surface treatment method for a liquid spitting pipette tip.
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