1, site: choose in the relatively high terrain, conducive to the drainage of the place to build greenhouses. 2, seed selection: choose about to enter the soil or has been into the soil of the bean worm as a source of seed, and to choose the form of the ring or for the straight rod-shaped bean Dan. 3, temperature: the bean Dan worm like warm, the optimal growth of the temperature of the temperature between 10 ~ 25 ℃, the temperature is low in winter, the need to take heat preservation measures.

In the egg-laying period, the application of sugar and vinegar solution evenly sprayed on the bean leaves, so that the bean pests will focus on the eggs laid on the bean leaves, can improve the survival rate of the larvae.