Just turned eighteen, five people burglary, is an accessory, less than 300 yuan, how will be punished?

If it is less than 300 yuan, which is not serious enough for criminal punishment, it shall be punished by the public security organ in accordance with this law.

People's Republic of China (PRC) Public Security Administration Punishment Law

Article 2 Anyone who disturbs public order, endangers public safety, infringes on personal rights and property rights, and hinders social management, which is harmful to society and constitutes a crime in accordance with the provisions of the Criminal Law of People's Republic of China (PRC), shall be investigated for criminal responsibility according to law; If it is not serious enough for criminal punishment, the public security organ shall impose administrative penalties for public security in accordance with this law.

Article 49 Whoever steals, swindles, robs, robs, extorts or intentionally damages public or private property shall be detained for not less than five days but not more than ten days, and may also be fined not more than 500 yuan; If the circumstances are serious, he shall be detained for more than 10 and less than 15, and may also be fined less than 1000 yuan.