After using the yogurt machine, the plug must be unplugged and then completely cooled before starting to clean. Soaking with oxygen, oxygen is actually a sodium percarbonate particle, equivalent to 14.5% hydrogen peroxide, known as solid hydrogen peroxide, hydrogen peroxide has a color bleaching effect on the fabric. Moreover, it is alkaline, so it can be degreased while removing stains. Do not use banana water, gasoline, decontamination powder, hard brush, stainless steel wire, etc. to wipe. Do not immerse the outer casing of the yogurt machine with water or use a soft damp cloth (wrunk water). When the yogurt machine is not used for a long time, it should be cleaned and cleaned, put into a packing box, and placed in a ventilated and dry place to protect it from moisture and affect the use.