On March 13, Shanghai Association of Matchmaking Agencies organized some of its member units to attend the signing ceremony. At the ceremony, the participants signed the Letter of Commitment on Compliance Operations and the association released the typical cases of "Beware of the happiness trap" on the way to "get into a relationship", which offered positive guidance and negative warning. The matchmaking industry is expected to further strengthen industry self-discipline and improve the quality of matchmaking services to create a fair, just, honest and trustworthy matchmaking service environment.