The divinatory symbols are dry, representing the sky, representing parents at home, belonging to gold, commonly known as Shoushan, and the main noble people are prosperous. Northwest wind, biting ice, so the mountain is not high and unreal, does not block the wind and rain, does not release the cold, which is not conducive to vitality and family development. Therefore, the first choice is that the northwest direction should be high, not low, and there should be no road rushing into the river to kill people. If there is a lack of horns or houses in the northwest, it is advisable to put porcupine zodiac objects to supplement the energy in the northwest. Just put a piggy bank near the northwest corner and put some coins in the piggy bank.