The social security of the original unit has been reduced, and the new unit can't get on.

If the social security of the original unit does not reduce the number of employees, the employees may complain and report to the administrative department of social insurance, and the social insurance premium collection agency shall order them to pay or make up within a time limit, and then handle the reduction of employees. Social insurance refers to a social and economic system that provides income or compensation for people who lose their ability to work, are temporarily unemployed or suffer losses due to health reasons. Article 84 of the Social Insurance Law of People's Republic of China (PRC), if the employer fails to register for social insurance, the social insurance administrative department shall order it to make corrections within a time limit; If no correction is made within the time limit, the employer shall be fined between one and three times the amount of social insurance premiums payable, and the directly responsible person in charge and other directly responsible personnel shall be fined between 500 yuan and 3,000 yuan. Article 86 If an employer fails to pay social insurance premiums in full and on time, the social insurance premium collection agency shall order it to pay within a time limit or make up for it, and from the date of default, an overdue fine of 5/10000 shall be added daily; Failing to pay within the time limit, the relevant administrative departments shall impose a fine of more than one time and less than three times the amount owed.