In terms of autistic spectrum disorders socio-communicative deficits have a negative impact both on the quality of life of these individuals, as well as family membership. However, the „enigma” of autism remains a challenge for the scientific world circle, therapists and parents, raised their interest in identifying models, strategies, means and methods appropriate. Under these conditions, the method PECS and speech therapy appear to be effective and viable solution to address these deficits, predominantly in situations where intervention is begun since the earliest ages. PECS (Picture Exchange Communication System) is a method that promotes communication skills acquisition, independent of the use of verbal language. PECS method begins by teaching the child to share a single icon to get some work wished, reaches to the acquisition of more complex communication structures. Communication system Picture Exchange include six phases in which the autistic child develops some functional communication skills. Speech therapies should pursue the following objectives: fair articulation of words; improving both the verbal and the nonverbal as; understanding verbal and nonverbal communication, understanding the intentions of others in a given situation; initiating communication without help from others; knowledge of places and the right times to say something; conversational skills development; developing the exchange of ideas; development of communication as a way to improve relations; self-learning and using new Regulatory function of language. Communication abilities of individuals with autism varies considerably from one person to another is falling on a continuum, from lack verbal skills, even to those who use language in a functional speech. Some of these children do not ever get to develop spoken language and understanding may be limited. But others can develop their language much later than normal. Some children will have echolalia, repeating words that have meaning for them or repeating limited to what we say. It is essential to understand the barriers that we can welcome you and to adapt their way of communicating so to help make progress.