Table 6 showed different respondents' perceptions on the most risky stage through vegetable supply chain. Most people (53.1%) believed that raw material in agriculture production stage was the most risky to cause vegetable safety problems. 33.9% people perceived vegetable processing stage as the stage that safety problems of vegetables were most likely to occur. There were only 5.6% and 5.1% people perceived transportation and sale stage as the ones with the highest risk, respectively.