New crown positive generally refers to infection with coronavirus. Symptoms are mainly categorized into olfactory and taste changes, digestive system symptoms, eye symptoms, skin symptoms, and so on. 1. Altered sense of smell and taste: most patients have decreased sense of taste and smell as the first symptom. 2. Digestive system symptoms: patients may have abnormal liver enzymes, decreased appetite, abdominal pain, nausea, vomiting, diarrhea and other symptoms, and in severe cases, gastrointestinal bleeding may occur. 3. Eye symptoms: patients’ eye symptoms are mainly manifested as conjunctivitis, which is mainly manifested as eye pain, eye itching, tearing, foreign body sensation, eye secretion, conjunctival congestion, conjunctival edema and other symptoms. 4. Skin symptoms: early skin erythema, papules, some patients will also appear pimples. The patient’s blood vessels will be lesions, mainly manifested as purpura, petechiae, ecchymosis, urticaria, frostbite, etc., and accompanied by itching, pain and other symptoms. If the above symptoms appear, you should go to the hospital in time, confirm the diagnosis and follow the doctor’s instructions for treatment.