Harm and harm oneself! A motorcycle in Shenzhen was hit by a truck and killed by five passers-by. At 8:14 a.m. on September 12, 2018, a motorcycle suddenly diagonally entered the intersection. The truck traveling in the same direction immediately took emergency braking and ran in the left direction to avoid collision, resulting in vehicle rollover and the moment of collision with the motorcycle. Five people (four with skin injuries) were poured out, one with a broken left hand, and the motorcyclist died on the spot. After preliminary investigation and verification, the motorcycle crossing the intersection, when the vehicle approaching suddenly diagonally inserted, is the main fault causing the accident. The truck was suspected of overloading, rushing through the prohibited traffic, passing through the intersection without deceleration, is the other side of the fault that led to the accident.