Nursing students using intramuscular injection had adequate knowledge. In this context, complementary therapy like Helfer skin tap technique has its own significance, thus enhancingthe scope of nursing ,To evaluate the knowledge of Helfer skin tap technique on pain associatedwith intramuscular injection. A quantitative approach using experimental group by usingdescriptive design. 60 nursing students injecting intramuscular injection having knowledge usingnon-probability convenient sampling technique from Sathyabama college of nursing. Helfer skin tap technique is tapping the injection site 3 times before inserting the needle and 3 times after removing the needle. By using Chi square test to assess the level of knowledge associated with theHelferskintap technique. Analysis among Experimental group by using chi square test foundsignificant value at X2<0.05 level. Most of the nursing student shad adequate knowledge about the Helfer skin tap technique is effective on pain associated with intramuscular injection.