How to check the qualification certificate?

Legal analysis: enter the social security card number in the local labor and social security bureau network to inquire about the individual's length of service; You can also go to China Labor Network to inquire and calculate your length of service according to your actual situation. The way to prove the length of service is that the materials that can prove the length of service are: 1. Contract employees need to have a contract when they are employed, and temporary workers need to have the approval of relevant departments when they are employed; 2. Copy of employee ID card; 3. Personal social insurance payment certificate; 4. The labor contract during the employment period and the certificate of termination of the labor contract, and a copy of the payroll at the time of employment. Ordinary employees log in to social security accounts, check their social security payment months and calculate their length of service. They can also print the social security payment list directly in the Human Resources and Social Security Bureau and check their payment years as the basis of their length of service.

Length of service refers to the working hours of employees whose income is the whole or main source of their lives. The length of service marks the length of employees' working hours, and also reflects employees' contribution to society and enterprises and their level of knowledge, experience and technical proficiency.

The form of proving my length of service is mainly to pay the social security certificate or the entry time and departure time filled in the resignation certificate. Years of work in different units can be accumulated as long as there is evidence.

Legal basis: Article 38 of the Decision of the Ministry of Labor on Promulgating the Revised Draft of the Detailed Rules for the Implementation of the Regulations on Labor Insurance in People's Republic of China (PRC) refers to the working hours when employees take wage income as their whole or main source of livelihood. When calculating the general length of service, it should include the length of service of the enterprise.