Homemade wine will be ripe red grapes with water rinse clean, remove the stems and green particles, mold particles, broken particles, etc., into the container after disinfection and drying (glass barrels or ceramic tanks, preferably not copper, iron, aluminum and plastic containers) in the hand squeezed or mashed.

But before the operation of the hands, sticks, containers, etc. must be washed with potassium permanganate water, and then rinsed with water once, and then go to the operation, in order to prevent contamination of stray bacteria, and at the same time be careful not to use iron, copper and other metals of the tools and containers (or with a clean aluminum spoon in the cup after disinfection) will be mashed grapes.