1. First, fully soak the part of the cup containing silica gel with edible white vinegar, then take out the toothbrush or brush specially used for cleaning the cup, and rinse the silica gel gap of the cup with clear water. Secondly, you can also use a brush to get some special detergent for cleaning the cup, and brush the dirt in the gap of the silica gel in the cup repeatedly. At the same time, you should pay attention to the dead angle of the gap, so as to clean it thoroughly. After brushing, put the cup silicone aside and let it stand for about 10 minutes, then rinse it with clear water.

2. If the cup or the silica gel of the cup has an odor, you can also use the following methods to clean it. First, the method of deodorizing waste tea leaves, you can scrub the dirt in the gap of silica gel in the cup with waste tea leaves, and then rinse it with clear water to remove the peculiar smell or fishy smell. Second, milk deodorization method: first clean the gap of silica gel with detergent or white vinegar, then pour two spoonfuls of leftover milk into the cup and shake well. After shaking for one minute, you can touch the milk everywhere in the cup, then pour out the milk and clean the cup.