The present invention relates to a method for manufacturing particle, being capable of forming an oil layer on the outside of the effectiveness of ingredients, then forming sodium alginate layer outside the oil layer, thus, the oxidation can be avoided due to effectiveness of ingredients being isolated from the air, furthermore, the degradation of the beverage contained the particle according to the present invention is able to be lower.本發明係一種微粒製造方法,能夠在效性成份之外形成一油脂層後,再形成一海藻酸鈉層,如此,效性成份不會與空氣接觸而能避免發生氧化,使得含有本發明微粒之飲品可降低降解現象。步驟(101)~步驟(106)係本發明微粒製造方法流程