Preparation method of silver zinc oxide or silver copper oxide composite powder and system of implementing preparation method

The invention discloses a preparation method of silver zinc oxide or silver copper oxide composite powder and a system of implementing preparation method. The preparation method comprise the steps that silver raw materials and copper raw materials or silver raw materials and zinc raw materials are weighed and taken according to proportions, dissolution is conducted, a polymeric pecursor solution is prepared, the prepared polymeric pecursor solution further comprises added C1-C2 alcohols uniformly mixed with the polymeric pecursor solution, the adding amount is 8-12 V% of the pecursor solution;and the atomization process is conducted on the polymeric pecursor solution to obtain 0.01-100 mum of precursor, and the silver zinc oxide or silver copper oxide composite powder can be obtained through thermal decomposition under temperature of 400-1150 DEG C. According to the preparation method of the silver zinc oxide or silver copper oxide composite powder, the proper amount of C1-C4 alcoholsare added when the polyme