Abstract: Personal hygiene is defined as self-care application to maintain their health. Proper knowledge and practices of personal hygiene plays an important role in avoiding diseases like Diarrhea, Dysentery, Vomiting, Dental caries, Pyorrhea, Itching problems, Skin diseases etc, The senior secondary school students in rural areas kishanpur, supaul, Bihar, do not understand what is good or bad of Personal hygiene.