Prevent embezzlement. According to China Jilin Network, Changchun Love Card for the Deaf is an IC card specially made for disabled people to take public transportation for free. The validity period of the love bus card is one year, which requires an annual review card, which can effectively prevent the love card from being stolen and fraudulently used. The annual review time is from April to June every year, and the free ride function that is not reviewed according to the regulations will automatically become invalid.