Healthcareprovide services likecontrolling and preventing of communicable andnoncommunicablerndiseases. In the process of performing these activities, health facilities generallyrngenerate hazardous waste. The number of inpatient and outpatient are one of the factor that affectrnthe generation rate of healthcare waste and it is different from hospital to hospital because ofrntheir specialization. The generation rate of hazardous and non-hazardous of solid healthcarernwaste has an environmental risk to the patient, healthcare worker and the environment at large.rnThe general purpose of this study was to assess solid healthcare waste generation rate,rncomposition, concentration of heavy metals and its management system in selected governmentalrnhospital in Addis Ababa, Ethiopia.rnThe study was conducted using cross-sectional, longitudinal and experimental method. Thernsample size was determined using simple random sampling technique. The generation rate andrncomposition were collected using waste collecting andmeasuring equipment.Heavy metalinrnincinerated ash were analyzed using Atomic Absorption Spectrometer for the selected hospitals.rnThe Data was analyzed using Microsoft excel version 2010 and SPSS version 20.rnThe mean healthcare waste generation rate was 0.96kg/day/patient of which 0.46kg/day/patientrn(47.82%) was non-infectious waste and0.5kg/day/patient (52.18%) was infectious. The overallrnheavy metals concentration were found high concentration in copper and low concentration inrncadmium and the descending order was Copper>lead>Cadmium>Chromium. A wide variation inrntrace concentration of several toxic elements has also been seen due to variation in initial wasterncomposition, design of the incineration, the level of hospital and operating conditions.rnKey words: Healthcare waste, generation rate, Composition, Hospitals, Hazardous waste, Nonhazardousrnwaste, Atomic Absorption Spectrometer