1, surface gold stock, annual supply, gold mining cost;

2. Political, economic and military situation of major gold producing countries;

3. The central bank sells gold.

B: demand factors:

1, consumption of gold products and industrial demand in various countries;

2. Demand for hedge funds; Speculator, large investment fund

C: Other factors:

1, foreign exchange trends and monetary policies of various countries; In particular, the trend of the US dollar index has a great influence on gold.

2. Changes in crude oil prices;

3. The international political situation is turbulent;

4. Major emergencies: wars, natural disasters, terrorist attacks and epidemics.