Overall labor insurance can be understood as endowment insurance. Labor insurance co-ordination fund is a fee that must be paid by the construction unit. It is included in the construction project cost quota as the old-age insurance fee for employees of construction enterprises, and labor insurance fee is a special fee to ensure the basic life of retired employees. The labor insurance co-ordination fee should be the fee paid by Party B in the construction project, and the competent government department has asked Party A to pay this part of the fee in advance when Party A goes through the relevant formalities. It is included in the charge and then deducted, which is the calculation procedure of engineering cost. Since 1951, the labor insurance funds for construction projects have been composed of the indirect costs of the project cost, and the rate is determined by the state according to the actual expenditure of the labor insurance funds of the construction enterprises, and the construction enterprises charge and manage themselves from the construction units according to the prescribed rates. In a certain period of time, the state adjusts the content of labor insurance funds in the project cost according to the changes in the burden of labor insurance funds of construction enterprises.

Article 17 of the Labor Contract Law of the People's Republic of China shall contain the following clauses:

(1) Name, domicile and legal representative or principal responsible person of the employing unit;

(2) the name and address of the laborer and the number of the resident identity card or other valid identity documents;

(3) the term of the labor contract;

(4) Work content and work place;

(5) working hours and rest and vacation;

(6) labor remuneration;

(7) social insurance;

(8) labor protection, working conditions and protection against occupational hazards;

(9) other matters that should be included in the labor contract as stipulated by laws and regulations.

in addition to the necessary clauses specified in the preceding paragraph, the employer and the employee may agree on probation, training, confidentiality, supplementary insurance and welfare benefits.

Article 18 If the standard stipulations on labor remuneration and working conditions in a labor contract are not clear and cause disputes, the employer and the employee may negotiate again; If negotiation fails, the provisions of the collective contract shall apply; If there is no collective contract or the collective contract does not stipulate labor remuneration, equal pay for equal work shall be implemented; If there is no collective contract or the collective contract does not stipulate working conditions and other standards, the relevant provisions of the state shall apply.