Stomach cancer is one of the most common and deadly types of cancer all over the world, including the Kingdom of Saudi Arabia. Many studies have shown that the knowledge of Nurses' and Pharmacists technicians about health care services is still weak, despite the many measures taken by the Kingdom of Saudi Arabia to improve the concept of care. Health care for patients, but it still faces some obstacles. Therefore, this research paper aimed to review some previous literature related to the self-efficacy of Nurses' and Pharmacists technicians and the extent of their knowledge of providing health care to patients with stomach cancer and to identify the perspectives of Nurses' ' and Pharmacists technicians on barriers and needs towards health care services. The results of this research study demonstrated that previous literature indicated that Pharmacists Nurses' ' professionals have poor self-efficacy and knowledge regarding gastric cancer symptom management, quality of life improvement, and treatment management plans (eg, opioids) for patients in healthcare units.