本发明公开了一种软磁性能的FeCoNiBCP高熵非晶合金，其原子百分比组成为Fe_aCo_bNi_cB_dC_eP_f,其中，30＜a≤45，10≤b≤25，15≤c≤30，0≤d≤20，0<e≤20,0<f≤20，15≤d+e+f≤30。本发明还公开了该高熵非晶合金的制备方法。与现有的技术相比，本发明的优点是：具有高的饱和磁感应强度B_s(多数合金B_s大于1.0T，可达到1.24T)，极低的矫顽力(可达到0.5A/m)，良好的热稳定性，因此是一种优异的软磁材料，在磁性功能器件中的应用具有优良的前景。

The invention discloses a FeCoNiBCP high-entropy amorphous alloy with soft magnetic properties, the atomic percentage composition of which is Fe_aCo_bNi_cB_dC_eP_f, where 30<a≤45, 10≤b≤25, 15≤c≤30, 0≤d≤20, 0<e≤20, 0<f≤20, 15≤d+e+f≤30. The invention also discloses a preparation method of the high-entropy amorphous alloy. Compared with the existing technology, the advantages of the present invention are: high saturation magnetic induction intensity B_s (most alloys B_s are greater than 1.0T, up to 1.24T), extremely low coercive force (up to 0.5A/m), good thermal stability.It is an excellent soft magnetic material and has excellent prospects for its application in magnetic functional devices.