1. Soak and clean jewelry cleaner: prepare a container, clean water and a bottle of jewelry cleaner, soak the colored gold and the cleaner in water for about 8 minutes, then take out the colored gold and wipe it with a clean flannel.

2, toothpaste cleaning: that is, use the neutral toothpaste used for brushing your teeth, cover the colored gold jewelry, wait for 5 minutes, wash it with water, and then dry it.

3. Self-made cleaning agent: If there is a black silver film on the surface of gold jewelry, you can use 2 grams of salt, 7 grams of baking soda, 8 grams of bleaching powder and 60 ml of water to make a "gold jewelry cleaning agent". Put the gold jewelry into a bowl, pour the cleaning agent, take it out after 2 hours, rinse it with soft water, bury it in desiccant such as sawdust, and then wipe it with a soft cloth.

4. Alcohol and soap cleaning: wipe with a fluffy soft cloth dipped in soapy water and alcohol. Be careful when wiping to avoid scratching the appearance. Scrubbing colored gold jewelry once a week will be extremely bright.

5. Neutral cleaning solution: You can clean the colored gold with a fine-wool toothbrush dipped in neutral cleaning solution or a commercially available jewelry cleaning solution, and add the colored gold into soft water to brush the colored gold jewelry lightly. Be careful not to use too much force to avoid damaging the protective film coating of colored gold jewelry.