This research aims to compare the form of language assessment in secondary education between China and the UK. The education in the UK and China has been different in many aspects, there are difference in educational ideology, view on personnel; difference in exam system; and difference on the extent of emphasising individual difference and cultivate creative ability. These differences are the result of a range of factors including their different educational context and culture tradition, which reflect the problem of educational system in each country. Each system has its strength and weakness, and received both criticism and credits, by comparing them we can identify the characters of the education ideology in each, and make a better understanding though analysis. This research is going to take a insightful look into the differences between the assessment in each country and evaluate their education context through the comparison, and suggest for the prospect.