SINCE 1347 WHEN THE FIRST OF HERBICIDE WAS REGISTERED IN IRAN TILL 1388, ABOUT 98 HERBICIDE HAS BEEN REGISTERED. ONE OF THE MOST IMPORTANT AND EASIEST RESOURCES FOR UNDERSTANDING AN HERBICIDE IS ITS LABEL. IN THIS STUDY 37 DIFFERENT HERBICIDE LABELS WERE RANDOMLY COLLECTED AND CONTENTS RELATED TO TAGS WERE COMPARED WITH A STANDARD LABEL. THE RESULTS SHOWED THAT ABOUT 11 PERCENT OF THE LABELS HAD A FAILURE, 5 PERCENT OF LABELS HAD THREE DEFECT, 11 PERCENT OF THE FOUR LABELS DEFECT AND 8 PERCENT OF LABELS WERE FIVE DEFECTS. THE MOST DEFECTS OF HERBICIDE LABELS WERE TRIBENURON, METHYL, 2, 4-D+ MCPA. IN GENERAL, IT IS SUGGESTED THAT HERBICIDES LABELS MIGHT BE DESIGNED IN A SPECIAL STANDARD FORM WITH AN ACCURATE SUPERVISION.