Odor agent, solid, possesses an intensely pungent and foul odor, extremely repulsive. It utilizes advanced imported biomimetic odor characteristics as raw materials, as humans and mammals have highly sensitive senses of smell. The drug itself is an equivalent of the main component of body odor, and its derivative isallicin. Classified by use, there are sewage discoloration odor agents, anti-water loss agents, heating odor agents, boiler odor agents, etc. Classified by scent, there are garlic-scented odor agents and methane-scented odor agents.