Jinmanzhi is a new patent acaricide with high efficiency, which was developed by Formica Company in the United States. It has contact killing effect, excellent control effect on tetranychus urticae and adult mites, and good inhibition effect on eggs. Jinmanzhi is mainly used to control red spider on citrus trees, and it is generally sprayed with 1500-2500 times. If the pesticide is applied at the peak of mite occurrence or at the initial stage of mite harm, the pesticide should be evenly applied to the front and back of crop leaves, the surface of fruits, trunks and branches. In addition, if it rains in windy days or within 1 hour, please do not apply pesticide.