One of the problems faced by schizophrenic patients is social isolation. Schizophrenia is a severe mental disorder characterized by deficiencies in thinking, perception, affect, and social behavior. Poor social skills are closely related to disease recurrence and returning patients to the hospital. Social isolation is a condition in which an individual experiences withdrawal behavior, as well as a decrease or even being completely unable to interact with other people, especially to express and justify the negative and positive feelings they experience. social behavior shown in schizophrenic patients will usually withdraw from the environment and be passive in activities or daily activities. This is because schizophrenic patients lose their identity and experience role and function failures in interacting with society. The writing method used is a case study to explore the problem of nursing care in patients. Collecting data using interviews and observation. Data collection tools or instruments use the assessment format. The subject to be used is one patient with social isolation. The client's medical diagnosis is paranoid schizophrenia. With diagnoses including social isolation, hallucinations, and low self-esteem. The results of the analysis show that interventions with implementing strategies (SP) can reduce signs and symptoms of social symptoms in patients after being given interventions even though they require a gradual process, but do not experience drastic changes that can slowly improve the ability to socialize with other people