Is it useful to report something under the fire hydrant in the corridor?

Article 60 Whoever, in violation of the provisions of this Law, commits any of the following acts, shall be ordered to make corrections and be fined not less than 5,000 yuan but not more than 50,000 yuan: (1) The configuration and setting of fire-fighting facilities, equipment or fire safety signs do not conform to national standards or industrial standards, or are not kept intact and effective;

It is illegal to occupy or block fire exits. It is the responsibility of the property and the owner to keep the fire escape unblocked. Parents can complain to the property first. If the property does not act, they can find the local fire brigade to coordinate and solve the following fire hazards (they can directly call the free complaint hotline "96 1 19" of the Fire Department of the Ministry of Public Security to report complaints).