The present invention is tumor mutation resisting milk powder prepared through adding airflow crushed micron level ash tree flower powder, micron level pine flower powder, micron level melissa powder, micron level glossy ganoderma powder, micron level glossy ganoderma spore powder and oligose powder into traditional milk powder. The tumor mutation resisting milk powder has obvious tumor mutation resisting effect, as well as functions of expelling toxic matter, nursing face, strengthening immunity, etc. The present invention makes it possible for medium aged and old people, especially tumor patient, to absorb the effective components of ash tree flower powder, pine flower powder, etc. to expel toxic matter, nurse face and strengthen immunity while obtaining various vitamins, minerals, active enzymes, etc.