Legal and safe. According to the "People's Republic of China *** and the State Safety Production Law" and the relevant implementation of the provisions of the know, to meet the relevant requirements of the public security and fire safety, restaurants with liquefied petroleum gas tanks are not illegal. As long as you follow the relevant safety regulations, the first floor restaurant and barbecue with liquefied gas tanks is safe. Liquefied gas tank refers to the tank used to store liquefied gas, its internal liquefied gas pressure is very high, a little improper operation will cause an explosion, belonging to the special equipment.