Enterprise supplementary old-age insurance refers to a form of old-age insurance established on the basis of national basic old-age insurance and according to national policies and enterprise economic conditions, aiming at improving the living standards of employees after retirement, and is an important supplement to national basic old-age insurance. Enterprise supplementary endowment insurance is also called enterprise annuity. The supplementary endowment insurance for enterprises refers to the supplementary pension provided by enterprises to employees in addition to the basic pension according to the economic benefits of their own units after paying the basic endowment insurance premiums under the guidance of national policies. The Supplementary Insurance Center of Shenzhen Social Security Bureau specializes in this business. Enterprise supplementary endowment insurance has the following functions: 1. Supplementary endowment insurance can improve the living standards of enterprise retirees. With the progress of society and the development of economy, the demand for employees' old-age security will increase accordingly, and some enterprises with good economic benefits have the ability to improve the welfare level of employees. In this case, allowing such enterprises to establish supplementary old-age insurance for employees can meet the higher-level old-age security needs of employees. 2. It is conducive to close the relationship between employees and enterprises, stabilize the workforce, enhance the cohesiveness and attractiveness of enterprises, and promote the development of enterprises. 3. The growing enterprise supplementary pension insurance fund will transform a large amount of immediate consumption funds into long-term savings funds, which will help promote the development of the capital market and the growth of the national economy. Enterprise supplementary endowment insurance refers to an auxiliary endowment insurance established by enterprises according to their own economic strength and under the implementation policies and conditions stipulated by the state. It is located in the second level of the three-level endowment insurance system, which is implemented by the national macro guidance and internal decision-making of enterprises. The enterprise supplementary endowment insurance premium can be fully borne by the enterprise or jointly borne by both the enterprise and the employee, and the payment ratio is determined by the agreement between the employer and the employee. Generalized supplementary pension insurance includes occupational pension plan, mutual fund insurance and commercial pension plan (commercial pension insurance). What needs to be reminded is the personal income tax of enterprise annuity: according to the provisions of the Trial Measures for Enterprise Annuities (Order No.20 of the Ministry of Labor and Social Security) of the Ministry of Labor and Social Security, the enterprise annuity expenses paid by enterprises and individual employees belong to the nature of supplementary old-age insurance. According to the provisions of Article 25 of the Regulations for the Implementation of the Individual Income Tax Law of the People's Republic of China, the enterprise annuity expenses paid by an enterprise shall be included in the employee's personal salary income in the month when they are included in the employee's personal annuity account, and personal income tax shall be levied; The enterprise annuity expenses paid by individual employees shall not be deducted from the taxable income of taxpayers. Personal income tax will no longer be levied on employees who retire or settle abroad and withdraw annuities according to regulations.

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