Objective The aim of this study was to investigate the contmaination status of pesticide residues in vegetables sold in Inner Mongolia， and provide experimental basis for vegetable production， supervision， standard revision and risk assessment.Methods 480 vegetable samples were collected from 12 cities in Inner Mongolia during 2019-2020， and 9 kinds of pesticide， 13 kinds of fungicide and dithiocarbamates were tested according to the procedure in the National Food Safety Surveillance Manual. Judgments were made in line with National Food Safety standard - Maximum Residue Limits for Pesticides in Food （GB 2763-2019）.Results In 480 vegetables， the detection rates of 9 kinds of pesticide， 13 kinds of fungicide and dithiocarbamates were 11.04%（53/480）， 34.79%（167/480） and 27.71%（133/480）. The violation rates were 3.33%（16/480）， 1.46%（7/480） and 2.29%（11/480）. The vegetables which violated the standard were celery， scallion， pak choi and spinach. There were multiple fungicide residues in single vegetable.Conclusion Pesticide residues and violation were detected in vegetables sold in Inner Mongolia and over standard， high toxic and virulent pesticides were detected. Effective supervision and inspection should be taken by related departments.