Helminthiasis is a disease that occurs in the population in the tropics and subtropics area.One of the helminthiasis in humans is Soil Transmitted Helminth (STH). The prevalence of this disease is still to be a concern because the prevalence is quite high in children that is no exception in the children aged 1-5 years. The factors causing helminthiasis are included behavioral and environmental factors. This study aims to determine the factors that are related to STH helminthiasis incidence among others, the habit of washing hand of mothers, the habit of wearing footwear, the cleanliness of mother and child's nails, the availability of clean water, the availability of latrines and the availability of the trash. The sample is the total population of 55 children aged 1-5 years in RW 07 Geringging Rumbai Pesisir District. This research is an observational quantitative with cross sectional design.Data is taken from the result of questionnaire and human fecal sample. The data were analyzed using chi square test. The result of the research showing STH infected children were 7 people (12,7%). The types of the worm eggs that infect are Ascaris lumbricoides (7.2%), Trichuris trichiura (3.6%), and hookworm (1.8%). The result of statistical test showed that there was a relationship between hand washing habits (p = 0,039), children habit wearing footwear (p = 0,002), clean of mother and child nail (p = 0,041), clean water supply (p = 0,016) (p = 0,024) and there is no relation between garbage availability (p = 0,168)) to the occurrence of helminthiasis. Keywords: Helminthiasis, washing hand of mothers, wearing children's footwear, cleaning mother's and children's nails, availability of clean water, availability of latrines

Hygiene diartikan sebagai ilmu yg berkenaan dengan masalah kesehatan dan berbagai usaha untuk mempertahankan atau memperbaiki kesehatan.kebersihan lingkungan merupakan salah satu faktor yang sangat mempengaruhi tingkat kesehatan bagi lingkungan dan individu. Pemahaman tentang hygiene masih dikategorikan cukup, hal ini dapat terlihat dari kebiasaan anak-anak yang selalu membuang sampai sembarangan. Tujuan kegiatan ini ialah untuk memberikan pemahaman terhadap pentingnya menjaga kesehatan dan mendeteksi tingkat kebersihan terhadap siswa-sekolah menengah atas. Metode yang digunakan ialah berupa pemantauan kebersihan lingkungan dan penyuluhan. Hasil yang diperoleh menunjukkan bahwa lingkungan sekolah menengah atas sudah masuk dalam kategori cukup bersih namun ada beberapa hal yang harus dibenahi yakni pengetahuan terhadap pentingnya menjaga kesehatan serta dampak yang akan diperoleh jika tidak bisa mengendalikan kebersihan secara berkesinambungan.