This research was undertaken to investigate the problems teachers experience in ECE assessment. A qualitative research design with semi-structured interviewing was undertaken. The study's intent was to identify the assessment techniques used by ECE teachers to assess their students' learning during class. All primary level private schools in urban areas of Lahore were considered as the population of the study. Ten ECE teachers were selected by using a purposive sampling technique from the private school sector of Lahore.The data was analyzed through thematic analysis by using open and axial coding techniques. The major findings were that teachers used different assessments such as small class tasks, question answer techniques and observational techniques. The study revealed that the major issues teachers in ECE assessment were facing were students' individual differences, their level of understanding, their family background and lack of resources.