Common methods to determine their own disease: In daily work, it is found that most patients lack basic judgment of their own condition, and delay the time of consultation, increasing the difficulty of treatment and prolonging the recovery time, here, some points are introduced to help you make the first preliminary judgment. 1, observation Applicable to the head and face, skin extremities, breast, external genital system and anus and other body surface organs, mostly manifested as redness, abnormal morphology, new organisms, etc., easy to observe, touch, relatively easy to find. In this, we should pay attention to abnormal morphology, yellowing of the skin, new swelling, abnormal effluent such as pus, hematuria, blood in the stool, etc. The situation of such cases is generally serious and should be treated urgently. 2, abnormal sensation Commonly, there are panic and shortness of breath, labored breathing, recurrent pain or discomfort in a certain area, blurred vision, loss of appetite with general weakness, irregularity and irregularity of urination and defecation, local numbness and other similar conditions, which require hospital consultation. 3. Abnormal symptoms Long-term dry cough, shoulder and back pain, skin erythema, heartburn, low fever, vomiting, diarrhea, significant weight loss, yellow skin staining, cold hands and feet, and other conditions should be seen by a doctor.