The advancement of precious metals trading is inseparable from the understanding of the linkage between economic data and gold and silver. At the same time, you need to be alert to the derivative traps surrounding the transaction. This article combs through the impact mechanism of non-agricultural, CPI and other important data on gold and silver, explains the reference significance of the gold-silver ratio, and reveals four common scams such as order grouping, bonus routines, EA selling and custody follow-up, to help traders improve their judgment and keep their funds safe.