The invention relates to an externally-applied powder used for the midwifery of piglets, which is a natural externally-applied product. The externally-applied powder comprises nano smectite, a purely natural plant adsorbent, medicinal talcum powder, natural pearl powder, wall-breaking pine pollen, a radix notoginseng extract, a honeysuckle extract, borneol, eucalyptus oil and peppermint oil. The externally-applied powder is mainly used for the health care of sows and piglets at the time of the midwifery of the sows, can enable the body surfaces of newborn piglets to be quickly dried, keeps the body temperature of the piglets and enhances the survival rate and the strongness rate of the piglets; the externally-applied powder is smeared at the pudendum parts of the sows and lowers the generation rate of the diseases of the birth canals of the sows; the externally-applied powder has the functions of resisting bacteria, diminishing inflammation, stopping bleeding and alleviating pain and lowers stress caused by navel breaking, ear scissoring, tail breaking, other traumata and the like effectively; and the externally-applied powder removes fishy smell, ammonia gas, hydrogen sulfide, sulfur dioxide and the like, purifies the environment of a livestock barn, lowers the generation rate of respiratory diseases and enables the piglets to be kept in a favorable healthy state.