Vocabulary connection: multi Word items in English In this chapter we are going to discover how important is the multi word items for advance learners English and how our level of proficiency can improve considerable if we make use of this items. Moreover, multi word items and collocation are an important matter that we have to take into account because it is going to help us to demonstrate a high level of proficiency. Traditionally L2 speakers tend to use a small variety of vocabulary this reflect that speakers do not have a good English level, so for that reason we have to take into consideration to acquire new vocabulary it is going to raise our level of proficiency. This is an important matter because if we can acquire multi word items and collocation is going to reflect that we are in a more advance level. On the other hand around this topics are some problems that have to be solve, one of them it is that L2 speakers tend to communicate with L2 speakers more than L1 speakers this result that the use of idioms or collocation is limited and this produce not only that speakers show a poor level of communication but also that speakers show an inappropriate use of them. The main object of the course is not only to have a great variety of vocabulary but also to know how to combine them and use them in different context because that it is going to reflect a more advance level of communication and fluency. On the other hand we have to take into consideration that idioms collocation and multi word items are going to be use in our speaking and use of English; consequently, the use of them have to be appropriated and accurate. Considering everything what I said before the objective of the text and the course work together for the reason that as an English learners we have to develop different skills to apply a high level of lexis in different context and also to be able to analyze and discriminate the best use of them. To sum up collocation, idioms and multi word items are extremely useful to demonstrate a high level of proficiency and to develop the different skills that are going to help us in our communication. Moreover, the text show us some problems that L2 speakers have in the acquisition of idioms, collocation and multi word items in English.