A safe package of micro battery with used battery recycling function, which can prevent the children from taking the micro battery easily and swallowed by mistake, comprising a lower cover plate, a folding portion, and an upper cover plate, the same side edge of said lower cover plate and said upper cover plate respectively connected with corresponding side of folding portion; said folding portion configure to fold the upper cover plate in the lower cover plate for fixing integrally and matched mutually; the lower cover plate including a concave part, a insertion slot, an exit slot, and two projecting parts; the upper cover plate including a insertion slit, two sides slits, and an exit slit thereby taking the new micro battery and recycled the used battery via double hands.