1, the surrounding tree growth is more lush, are trees, grow taller, suitable for bugs to reproduce and grow.

2, the store inside the fruit is more, the bugs part of the bugs on the fruit odor is more preferred.

3, outdoor street lamps are relatively high, and very close to home, the bugs have phototropic, light is very preferred.

4, the lights inside the store attracted the bugs to come to care (phototropic)

5, planted flowers, some flowers or flowers of the leaves are more tender, bugs like to eat (tenderness)

6, some of the bugs have a chemotaxis, especially on the sugar and vinegar preferences, smell where there is where to fly.

7, the store in front of the pond and ditch water year-round, water is one of the essential conditions for the survival of mosquitoes.

8, the store inside the health is not good, suitable for cockroach breeding

It is recommended that the store as well as the surrounding health, especially the nooks and crannies are cleaned inside.