My neighbor across the street hung a six-pointed star array above the gate. What does this mean? Does it affect my family?

Hanging a mirror at the door, the purpose of the mirror is to reflect, to reflect bad things such as mildew and gossip, and the effect is stronger.

But because you are opposite his house, you will reflect bad things to your house.

It is suggested that under negotiation, the eight diagrams mirror across the hall should be removed so as not to affect neighborhood relations. If the opposite door doesn't agree, you can also hang one, or even gossip about concave mirror, and gather and reflect ShaQi until the opposite door compromises. You can also put a pair of small stone lions or town houses at the door to ward off evil spirits.