Corrosion monitoring can be used to measure the process gas and the state of corrosive liquid flow in the case of normal operation.The corrosion monitoring technology is a basis about comprehensive understanding corrosion factors of oil and gas field production systems and the establishment of corrosion protection measures.It is corrosion monitoring and evaluates the effectiveness of measures effective means.It can be used to guide the work in accordance with anti-corrosion and play a role in corrosion control of oil and gas production and developments of corrosion.The purpose of this paper in the aspets of corrosion monitoring,significance and technical connotation combines field applicable examples in research on the application of corrosion monitoring technology to the oil and gas fields.