A study of the electrical equipment and electronics repaired shops, where in the areas of local government of Khamsakaesang, Nonthai, Nonsoong and Khong SubDistrict, Nakhonratchasima Province, which were in the total amount of 24 repairshops 39 repairmen. Data collection has been done by doing questionnaire and inspecting the levels of blood lead contamination and environmental lead contamination with Graphite Furnace Atomic Absorption Spectrophotometer (GFAAS) found that the average level of blood lead was at 8.58 μg dL-1, which the lowest blood lead level was at 1.26 μg dL-1 and the highest blood lead level was at 25.54 μg dL-1. The repairmen, who have different education and work experience levels were statistically having different blood lead level (p<0.05), apart from that there was a found of dust with lead contamination in working areas in the average level of 173.26 g kg-1, which the lowest level was at 49.6 g kg-1 and the highest level was at 354 g kg-1, which is much higher than the specified standard of US EPA. Apparently, repairmen are in risk of health threaten from their unsafe work condition, do not use personal protective equipments, while welding lead their working environment have highly dust lead contamination and terminating hazardous in incorrect way, which cause an effect for their family member, especially childhood and environment could be contaminated directly and indirectly. Then, the related government sectors should be actively operating, solving and managing occupational health and sanitation services for this career.