烽火台也叫烽燧,是古代军事观察、通讯的前沿哨所,大部分建在高山顶或川地转折处。古代凡边睡、要隘、道路等处,均设置烽燧,屯兵戍守并传递军情,形成独立而又严密的军事防御体系。如有敌情,夜间放火叫烽,白天掺加狼粪煨烟叫燧(俗称狼烟),故叫烽燧。燃烟举火和放炮的数目,根据来 Beacon Tower, also known as Feng Sui, is the forewarning post of ancient military observation and communications, most of which was built on the summit of a mountain or the turning point of a land in Sichuan. In ancient times, where the people sleep, pass, roads and other places, they all set Feng Sui, stationed soldiers to defend and pass on military intelligence, and form an independent and tight military defense system. If the enemy, the night was set fire called Feng, mixed with wolf manure during the day to simmer smoke Sui (commonly known as the smoke), it is called Feng Sui. According to the number of fireworks and blasting