Why do judges and lawyers wear wigs?

Horsetail wigs and gowns, which originated in the18th century, have always been the symbol of the British judicial system. According to historical records, the lawyer's black robe can be traced back to 1685, which was worn in mourning for charles ii's death. The use of wigs began in the early18th century. At that time, wearing wigs was a fashion in European society. Only dignitaries, nobles, judges and lawyers can wear wigs, which has gradually formed a trend. The wig currently used in court is designed as 1822. At present, there are two main styles of palace wigs. One is a shoulder-length long vacation hair, which is worn at major events and ceremonial occasions; One is a short wig that only covers the top of the head and is usually worn in court.