20% Thiazole Zinc Suspension Concentrate (Bisheng) was created by Zhejiang Xinnong Chemical Industry and has obtained national patent protection. It has been recognized as a "National Key Promotion New Product" by four ministries including the Ministry of Science and Technology. It has six major characteristics: First, it has a broad sterilizing spectrum. It has special effects on bacterial diseases and is highly effective on fungal diseases. It is a perfect fungicide with complete functions. Second, the effect is outstanding. "Powerful protection + rapid systemic treatment", lasts for up to half a month, is low-toxic and pollution-free. Third, the dosage form is environmentally friendly. The ultra-fine preparation reacts to water like milk and has no pollution to fruits. It is the first choice agent for the production of pollution-free agricultural products. Fourth, it is suitable for almost all crops, has no phytotoxicity, and is safe for crop flowers and young fruits. Its applicable objects and appropriate period of prevention and treatment are much better than those of copper preparations. The fifth is efficient zinc supplementation. It can promote flower bud differentiation, pollen tube elongation, pollination and flower and fruit preservation. It can also eliminate small leaf diseases, lotus leaves and drumstick branches caused by zinc deficiency in fruit trees. Sixth, safety is good. In addition to strong acid and alkali pesticides, it can be mixed and will not stimulate the reproduction of mites and rust ticks. Because of this, this drug can be vigorously promoted and applied in the implementation of fitness cultivation of pollution-free agricultural products.