Most of the cities in Nepal,  except  Kathmandu,  the sewerage system  and onsite sanitation system are very poor due to improper management, less attention, and lack of political commitment of Gevernments of Nepal. The planned and safe disposal of human excreta is a must for preventing drinking water from pollution and conserving soil fertility. The conventional linear approach to sanitation can cause both environmental and health problems. So,  this paper basically focus for managing the safe disposal of human excreta by introducing some techniques and shows the relationship of ecological sanitation to sustainable development, proverty reduction by increasing food security through the return of nutrient from excreta.

Ecological sanitation is an attempt to move away from linear solutions of waste disposal towards  systems based on a circular flow of nutrients. It considers human excreta a resource and not a waste to be disposed of. Ecological sanitation is environmentally sound,  where excreta are recovered, rendered safe, and recycled into soil, no pollution occurs and the environment is protected.

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