The rejected guests can complain to the local consumers' association.
Article 14 of the Law of People's Republic of China (PRC) on the Protection of Consumers' Rights and Interests: When purchasing, using goods and receiving services, consumers have the right to respect their personal dignity, national customs and habits and the right to protect their personal information according to law.
Article 18 Business operators shall ensure that the commodities or services they provide meet the requirements of protecting personal and property safety. For goods and services that may endanger personal and property safety, consumers should be given a true explanation and a clear warning, and the methods of correctly using goods or receiving services and the methods of preventing harm should be explained and marked. Operators of hotels, shopping malls, restaurants, banks, airports, stations, ports, theaters and other places of business shall fulfill their obligations of safety protection for consumers.
Article 27 Business operators shall not insult or slander consumers, search their bodies and articles, or infringe upon their personal freedom.
Bar (originally written as wine cellar, defined as a house, it is a function word of wine cellar), which refers to the consumption place that provides beer, wine, foreign wine and cocktails. Bar refers to entertainment and leisure bar, which provides live bands or singers, professional dance teams and "dancers" performances. High-end bars and bartenders perform wonderful fancy bartending. Pub, a branch of a bar, refers to an English bar that focuses on wine. There are various types and styles of bars, from the lowest "diving bar" to an elegant place to provide entertainment for the public. Bars originally originated from western pubs during the development of the western United States. The word bar didn't have the meaning of "selling drinks over the counter" until16th century, and then it evolved into a comprehensive consumer place providing entertainment and performance services with the development of the times, and was introduced to China in 1990s. Nightclubs are different from bars. The NightClub is night Club, often referred to as club, and the Bar is bar. People in China often mistake nightclubs for bars. Let's literally explain the difference between nightclubs and bars. Generally, shop signs at the door should indicate whether they are clubs or bars. CLUB is a nightclub (full name: nightclub) and BAR is a bar. In fact, the two are different. So bars are just bars or pubs, while clubs are actually nightclubs, not bars.