Rice milling is a business that produces ready-to-eat rice. The rice milling process cannot be separated from the risks of disturbance of the rice production process. Workers in the rice milling industry have a risk of work accidents. The rice milling industry in the Kaway XVI sub-district has some cases of work accidents with different levels of including minor accidents such as sprains, slips, cuts, and even falls from a pile of grain, and moderate accidents such as leg injury due to the fall of the sack needle on the worker's leg. The proposed formulation of the research problem is the risk factors of work accidents at 31 rice mill centers at Kaway XVI sub-district, Aceh Barat District. This quantitative study used a case-control design and quantitative analysis. The study showed a relationship between unsafe action, unsafe conditions, and work accidents at 31 rice mill centers at Kaway XVI sub-district as the P-Value of the four variables was <0.05. The researcher suggests the need to provide education and information about risk factors of work accidents in the 31 rice mill centers, and it is expected that they can build a work safety unit in puskesmas in the Kaway XVI sub-district that workers in the central informal sector can be properly recorded.