The utility model discloses a can homemade and cost -effective copper core terminal, including terminal mounting panel and brush, there is the mount at the both ends of terminal mounting panel throughsolder block welding installation, copper core terminal is installed to the bottom of terminal mounting panel, the latch closure is installed at the top of copper core terminal, the terminal mountingpanel is installed in the bottom of the inside of high temperature tin liquor hold up tank, and the mount fixes on the frame of the both sides of high temperature tin liquor hold up tank, one side ofhigh temperature tin liquor hold up tank is provided with with the cistern, be provided with the tin liquor in the high temperature tin liquor hold up tank. The utility model discloses an outer nakedcopper terminal who purchases of use is makeed to the terminal, the non - tin -plating of this kind of terminal (silver), and the price is low, use the brush that speckles with the waterborne scalingpowder to paint evenly bottom the terminal afterwards, then fall into the tin liquor of high temperature, immersion tin time 4 5s takes out, gently knocks twice, withdraws, selfs make by oneself copper core terminal through this kind of mode, has saved material cost greatly.