Social insurance contribution base needs to be declared once a year, for which the value of the base is not fixed, if the salary has increased, then the social security contribution base will also be increased. First, how to calculate the social insurance contribution base in 2022, the individual employee's annual average monthly salary as the contribution base; the employer to the employee's individual contribution base and the sum of the contribution base as the contribution base. Employee wages include hourly wages, piece-rate wages, bonuses, allowances and subsidies, overtime and overtime wages, and wages paid under special circumstances. The social security contribution base is 60%~300% of the average social wage, for example, if the average social wage is 1,000 yuan, the contribution base can be 600 yuan~3,000 yuan. 1. If the salary income of an employee is higher than 300% of the average salary of the local employees in the previous year, 300% of the average salary of the local employees in the previous year will be used as the contribution base. 2. If the salary income of an employee is lower than 60% of the average salary of the local employees in the previous year, 60% of the average salary of the local employees in the previous year will be used as the contribution base. 3. If the salary income of an employee is lower than 60% of the average salary of a local employee in the previous year, 60% of the average salary of a local employee in the previous year shall be the contribution base; 3. If the salary income of an employee is between 300% and 60%, the employee shall declare according to the actual situation. When an employee's salary income cannot be determined, his/her contribution base shall be determined by the average salary of local employees in the previous year announced by the local labor administration department as the contribution salary. Every year the social security will be in a fixed time (March or July, different places) approved base, according to the employee's average monthly salary of the previous year to declare the new base, you need to prepare the payroll these certificates. Second, the validity period of the social security contribution certificate is 60 days from the date of printing for the validity of the social security contribution certificate, but the provisions of each place are not consistent, it is recommended to contact the social security department of the place of transfer to ask. How to print the social security payment voucher: 1. You can print the voucher in person with your ID card at the front desk of the social security bureau in the place where you are enrolled; 2. If you want to entrust someone else to print the voucher at the front desk of the social security bureau in the place where you are enrolled, you have to prepare the following documents: (1) Registration Form for Enquiry on Social Security Enrollment (which can be filled out at the social security bureau). (2) Original and photocopy of the identity card of the entrusted person. (3) Original and photocopy of the identity card of the entrusted person. (4) power of attorney (clear commission matters). 3, you can personally hold an ID card or a new version of the social security card to any one of the social security bureau of the self-service terminal printing, self-service printing entrusted to other people to handle it does not need to open the power of attorney and other information, but to bring the commissioner's ID card or a new version of the social security card for the billing machine to read the information. Third, the higher the social security contribution base, the better the social security contribution base is an important basis for calculating how much the employer and the insured employee contributions, but also an important basis for calculating the employee's enjoyment of social insurance treatment. The longer the contribution time, the higher the contribution base, the more the contribution amount, the higher the enjoyment of treatment.1. The impact on the pension insurance treatment is composed of basic pension, personal account pension, transitional pension and subsidies. Low social security contribution base will affect the personal account pension. Because the basic pension insurance personal account pension, to the basic pension insurance personal account storage amount (including principal and interest) as the base, according to 1/120. The personal account is credited in accordance with the employee's own salary of 11%, if the contribution base is low, will certainly affect the amount credited to the personal account, while affecting the pension insurance treatment. Impact on medical insurance treatment. 2, the impact of medical insurance treatment on the impact of medical insurance treatment is mainly reflected in the individual account. The policy stipulates that the individual account of medical insurance mainly consists of the basic medical insurance premiums paid by individual employees, the basic medical insurance premiums paid by the employer, and interest. If the social security contribution base is low, the amount transferred to the employee's medical insurance personal account will be less, which will affect the employee's treatment. Affect the treatment of work injury insurance. According to the provisions of the law can be known, the social insurance contribution base is the individual employee to the annual average monthly salary for the contribution base, the employer to the employee's personal contribution base and the sum of the contribution base for the contribution base.