1-Ethylpiperazine is one of the piperazine series products. It is an important fine chemical. It is the intermediate of synthetic medicine and synthetic pesticide. It is mainly used for the synthesis of ethyl ciprofloxacin antibacterial drugs. It is also used as the raw material for the synthesis of dyes, plant protectants and other products. In addition, it is also widely used in bactericides and surfactants.