In the translation of medical documents, professional terms play a vital role, and ignoring them may have a serious impact on the safety of diagnosis and treatment. The following points can illustrate this problem: 1. Increased risk of misdiagnosis: Medical documents contain a large number of professional terms, such as disease names, symptom descriptions, drug names and dosages, surgical procedures, etc. The accurate communication of this information is crucial for doctors to make correct diagnoses. If professional terms are ignored or misunderstood in translation, it may lead to information distortion, resulting in misdiagnosis or delayed treatment. 2. Wrong treatment plan: Accurate professional terms are the basis for formulating appropriate treatment plans. Translation errors may cause doctors to misunderstand the patient's condition or medical history, and then choose inappropriate drugs or treatment methods, increasing the risk of complications or adverse drug reactions in patients. 3. Barriers to communication between doctors and patients: Medical documents are not only used for communication between doctors, but sometimes they also need to be explained and explained to patients or their families. Ambiguous or mistranslated professional terms will make it difficult for patients to understand their condition and treatment plans, reducing their sense of medical security and their cooperation with treatment. 4. Legal and ethical issues: The legal disputes and ethical issues caused by medical errors cannot be ignored. Incorrect translation can easily lead to medical negligence, which in turn can lead to medical disputes or legal proceedings, which not only affects the reputation and economic interests of medical institutions, but also causes more harm to patients and their families. In summary, if the professional terms in medical documents are ignored or translated inaccurately, it will indeed affect the safety of diagnosis and treatment. Therefore, when translating medical documents, full attention must be paid to the correct understanding and accurate translation of professional terms to ensure accurate communication of information, thereby ensuring the safety of patient treatment.