A functional composition particle for preventing breast blockage, comprising: lecithin core, probiotic layer, fiber layer and protective layer. The lecithin core has a diameter between 0.5 and 1.5 mm. The probiotic layer has an inner surface and an outer surface, wherein the inner surface covers the surface of the lecithin core, and the thickness of the outer surface and the inner surface is between 0.01 and 0.1 mm. The fiber layer covers the outer surface of the probiotic layer. The protective layer is formed on the fiber layer and has a rough surface.一種預防乳腺阻塞之機能組合物微粒，包含：卵磷脂球芯、益生菌層、纖維層以及保護層。卵磷脂球芯具有介於0.5至1.5公釐之直徑。益生菌層具有內表面及外表面，其中內表面覆蓋卵磷脂球芯之表面，外表面與內表面之厚度介於0.01至0.1公釐。纖維層包覆益生菌層之外表面。保護層形成於纖維層上，具有粗糙表面。
