How does Tomb-Sweeping Day ward off evil spirits?

Tomb-Sweeping Day's method to ward off evil spirits:

Yin Qi in Tomb-Sweeping Day was very heavy that day. If you find yourself in a dark Tang Yin when you wash in the morning, you are out of luck. It is advisable to avoid sweeping graves on the same day, and you can worship at home according to the customs of your hometown or in a certain way. If you must go to the cemetery in person, you'd better wear jade with you (ancient jade works better), or you must put jade at home to help with transshipment. Tomb-Sweeping Day may take Yin Qi home after coming back from worship. While respecting our ancestors, we should also protect ourselves. We can wear mascots such as amulets to resist ominous breath and help us have good luck in the future.

Jade Tomb-Sweeping Day is a must for Tomb-Sweeping Day. When you go out to visit the grave, you can choose the right jade to ward off evil spirits and protect yourself. Baoyou can wear bodhisattvas and buddhas, or choose special shapes to ward off evil spirits, such as auspicious animals such as beasts, dragons and turtles, or safety buckles or safety cards for protection, which is also very good.

Hetian jade can ward off evil spirits and defend itself with a long history. As a kind of jade deeply loved by people, it has always been said that wearing jade can bring good luck. Lapis lazuli, the color of which is like the sky, was called Imperial Stone in ancient times. The rich indigo represents the supreme dignity of the king and is regarded as a stone with the spirit of the king to ward off evil spirits.