in 1986, the labor contract system was implemented in the form of administrative regulations, and the labor contract system was implemented for newly recruited workers all over the country. Workers and employers need to sign formal labor contracts to ensure wages and other benefits, and the implementation of the labor contract system provided protection for workers.

1. When was the labor contract system implemented? In 1986, the State Council promulgated four rules and regulations, which improved the legal provisions on the labor contract system itself, employment procedures, labor insurance, labor discipline and managers' rights. The labor contract system has officially become China's employment policy and has been implemented and promoted nationwide. China began to explore the labor contract system. The Ministry of Labor and Personnel issued the Notice on Actively Trying out the Labor Contract System, which carried out a pilot project on the labor contract system, initially determined the form of the labor contract system, and clarified the rights and obligations of employers and workers.

ii. the specific contents of contract customization are as follows according to the civil code: article 469 parties may conclude a contract in written form, orally or in other forms. The written form is a contract, letter, telegram, telex, fax and other forms that can tangibly express the contents contained. Data messages that can tangibly express the contents by electronic data interchange, e-mail, etc., and can be retrieved at any time, are regarded as written forms. The contents of a contract are agreed upon by the parties, and generally include the following clauses: (1) the name and domicile of the parties; (2) the subject matter; (3) quantity; (4) quality; (5) Price or remuneration; (6) Time limit, place and method of performance; (7) Liability for breach of contract; (8) Methods for resolving disputes. The parties may conclude a contract by referring to the model texts of various contracts. Article 471 The parties may conclude a contract by offer, acceptance or other means. Article 472 An offer is an expression of intention to conclude a contract with another person, and the expression of intention shall meet the following conditions: (1) The content shall be specifically determined; (2) The offeror is bound by the expression of will by indicating that he has accepted the offer. An invitation to offer is an expression of the hope that others will make an offer to themselves. Auction announcement, tender announcement, prospectus, bond raising method, fund prospectus, commercial advertisement and publicity, and sent price list are invitations to offer. If the contents of commercial advertisements and propaganda meet the conditions of the offer, it constitutes an offer. Article 474 The time when an offer takes effect shall be governed by the provisions of Article 137 of this Law. Article 475 An offer may be withdrawn. The withdrawal of an offer shall be governed by the provisions of Article 141 of this Law. Article 476 An offer may be revoked, except in any of the following circumstances: (1) The offeror expressly states that the offer is irrevocable by determining the time limit for acceptance or by other means; (2) The offeree has reason to believe that the offer is irrevocable and has made reasonable preparations for the performance of the contract. The labor contract is an agreement reached between workers and employers to establish labor relations. The implementation of the labor contract system is conducive to safeguarding the interests of workers, and the written contract is more formal. The implementation of the labor contract system is an important reform of China's labor system, which not only maintains the relative stability of the workforce in enterprises and the reasonable flow of labor between enterprises, but also improves the enthusiasm of workers and protects their legitimate rights and interests.