Slow-released or control-released molluscacide

The present invention is a pharmaceutical molluscicidal slow (controlled) release agent. A polymer drug carrier section type (sink type float), film tablets, granules, pills and different dialysis bag slow (controlled) release formulations. There are long-lasting kill snails, snail eggs, cercariae and the ability to breed snails, inhibition of fish have avoided the role; not only good effect recently snail, and the holding effect for a long time (more than one year), there release side, while kill the snails, while the decomposition characteristics of its easy to use, saving manpower, material resources, reduce costs, reduce environmental pollution, greatly reducing the poisoning of crops and aquatic animals. Promotion and application, resulting in great economic and social benefits.