Signing a commitment letter means that in a specific situation, a person or a group of people sets certain norms and restrictions on their behavior before formulating an action plan or reaching an agreement in order to achieve *** cooperative relationship with interests. Signing a commitment letter usually clearly stipulates the code of conduct to be observed by all parties involved and agrees on relevant responsibilities and obligations. This not only allows all participants to reach a consensus, but also ensures standardized and binding behavior. Whether it is a business, government, or individual, signing a letter of commitment is an important part of building trust and maintaining a cooperative relationship.

Writing some important matters into a commitment letter and signing it is not only a way of self-discipline, but also a sign of trust in others. The purpose of signing a commitment letter is usually to regulate and restrict certain behaviors so that all parties can act more reasonably, orderly and efficiently, such as signing labor contracts, quality supply management agreements, anti-corruption commitments, anti-plagiarism statements, etc. On the one hand, signing a commitment letter plays a restrictive and normative role; on the other hand, it also improves trust and willingness to cooperate among participants, which is conducive to building good interpersonal relationships and achieving common goals faster.

Regulating and restricting behavior is one of the important functions of the letter of commitment, because it can regulate the rights and obligations of both parties, establish a good cooperative relationship, and ensure the smooth progress of cooperation. Currently, governments in some countries and regions are becoming more and more strict in their management of enterprises and institutions, so signing various commitment letters has become more and more popular. At the same time, the letter of commitment can also enhance the company's sense of social responsibility and improve the transparency and traceability of the supply chain. In daily life, signing a letter of commitment is also an effective way to strengthen interpersonal relationships, maintain personal credit and social harmony.