The farewell coffin is made of titanium plate and bronze plate of the twelve zodiac signs. The guardrail is made of medium 76 high-quality titanium tube in series. The guardrail is made of fine and magnificent titanium tube. An electric control device is added to realize the automatic opening and closing of the coffin door and coffin cover. The coffin cover is equipped with a smoke spraying device to enhance the atmosphere of solidification. The coffin cover is formed in one step with high transparency and neatness and generosity.