Great changes have taken place in social security, with more comprehensive security and better treatment.

Social security refers to the social security system established by the state to guarantee citizens' basic living and basic medical needs. In recent years, a series of reforms have been carried out in China's social security system to improve the level and treatment of security and ensure the basic needs of the people. This paper will introduce the great changes of social security in detail from the aspects of operation steps, policy adjustment and actual effect.

First, the operation steps

The operation steps of social security mainly include registration, payment and treatment. First of all, individuals need to register with the local social security bureau, submit relevant materials and apply for social security cards. Next, individuals need to pay social security fees according to regulations, including pension insurance, medical insurance and unemployment insurance. Finally, when individuals reach retirement age or encounter unexpected situations, they can enjoy social security benefits, including pension and medical expenses reimbursement.

Second, policy adjustment.

In recent years, China's social security system has been constantly adjusted to improve the level of security and treatment. On the one hand, the old-age insurance system has been gradually improved, raising the pension level of retirees. According to the latest policy, the pension of retirees will be determined according to the individual payment period and salary level to ensure that retirees can get corresponding pension benefits. On the other hand, the medical insurance system has also been adjusted, expanding the coverage of medical insurance, increasing the reimbursement ratio and reimbursement ceiling, and reducing people's burden of medical expenses.

Third, the actual effect.

These policy adjustments have brought practical results, more comprehensive protection and more optimized treatment. First of all, social security coverage is expanding, and more and more people can enjoy social security benefits. According to statistics, up to now, China has achieved universal participation in insurance and basically achieved full coverage of social security. Secondly, the level of social security benefits has been continuously improved, especially the level of pensions has been greatly improved. The latest data shows that the pension level of retirees in China has been greatly improved, which can meet the basic needs of life. In addition, the reimbursement rate and reimbursement ceiling of medical insurance have also increased, and people can get more reimbursement when they seek medical treatment, thus reducing the economic burden.