The invention discloses a needle which comprises a needle tip, a needle body and a steel ring. The needle is simple in structure and modified on the basis of an acne needle, integrates the acne needleand a fire needle and is capable of removing blackhead and whitehead acnes and clearing nodules and cysts. The needle serves as the acne needle when not heated, a constant-temperature fire needle at500 DEG C can be formed when the needle is heated, efficacies of Yang warming, cold dispelling, hard mass softening, stagnation eliminating, stasis removing and the like are achieved, superficial meridian Qi and blood circulation is promoted, accumulated heat clearing, hard mass softening and stasis removing are realized, local skin metabolism is promoted, and the needle has remarkable treatment advantages. In addition, the needle with efficacies of both the normal acne needle and the fire needle is accurate in heating, firm, reliable, safe in use and convenient to operate.