1. Do not continue to use the chopsticks if they are cracked. The process of regular use and scrubbing will leave deep and shallow scars on the chopsticks, making the surface of the chopsticks rough, even cracking and deforming, and it is easy to hide dirt and become E. coli and pylorus A hotbed of harmful bacteria such as Helicobacter.
2. Irregular replacement will cause the chopsticks to hide dirt. The longer the use time, the higher the total number of colonies detected. In addition to metal chopsticks, wooden, bamboo and other chopsticks will form small grooves on the surface, which is easy to retain bacteria and detergent, so it is recommended to change it every six months.