简介：Incomparisonwiththenormalpeoplegroup,valuesofbloodCD2+andCD4+inpa-tientswithmallgnanttumorstreatedwithradiotherapyandchemotherapyweresignificantlylowerandtheratioofCD助+andCD8+decreasedobviously（allP<0.001）;CD8+hadnoapparentchange（P>0.05）.Followingacupuncturaltreatment,valuesofCD2+,CD4+andtheratioofCD4+toCD8+increasedobviously（allP<0.001）;whilethoseofthemedicinalcontrolgrouphadnosignificantchangeaftertreatment（P>0.05）.ValuesofIgG,IgAandIgMinpatients’serumpresentedanabnormalde-creasingorincreasingtendency,andC3inminorityofpatientswereraised.ResultsindicatedthattherewasabiphasicregulatoryeffectofacupunctureonthedisturbanceofhumoralimmunityandcouldcorrectthedeviationofC3level;anditseffectwasbetterthanorsimilartothatofthemedicinecontrolgroup.Itdemonstratesthatacupuncturecanenhanceandregulate.theimmunefunctionofpa-tientstreatedwithradiotherapya