Legal analysis: only if the law allows the placement.
Legal basis: "Chinese people's **** and the Criminal Law of the State" Article 114 of the crime of placing hazardous substances to violate the direct object is the state of placing poisonous, radioactive, infectious pathogens and other substances of the prohibited management order and the public's personal safety and the safety of public and private property. The perpetrator of this crime must have committed the act of endangering the safety of the public by releasing poisonous, radioactive or infectious disease agents, which has not yet resulted in serious consequences; or the act of releasing poisonous, radioactive or infectious disease agents, which has caused serious injuries or death, or which has resulted in significant damage to public or private property. The direct consequence of the poisoning case is to cause injury or death of the victim, which directly affects the family.