1全面、完整、系统地果染病史是正确诊断的基础病史是诊断疾病的首要因素，完整准确的病史资料是提供诊断的重要条件。因此，医生在询问病史时必须对病人有高度的同情心和责任感，态度要和蔼、耐心、体贴，言语通俗，用启发式，提请患合讲述起病原问，发病形式，病程经过和演变 1 A comprehensive, complete and systematic history of fruit disease is the basis for the correct diagnosis of the disease is the primary factor in the diagnosis of disease, complete and accurate medical history data is an important condition to provide diagnosis. Therefore, doctors must have a high degree of sympathy and responsibility for the patients when they ask for a medical history. They must be patient, patient, considerate, and well-informed. They should use heuristics to ask patients to talk about pathogens, form of disease, and the course and evolution of disease.