When a jellyfish sting occurs, the patient will have significant skin or systemic reactive symptoms. The patient will have significant local symptoms, such as red, brown, or purplish skin accompanied by burning-like stinging and itching sensations. In addition, the patient will also have peripheral symptoms of toxicity, such as abdominal pain, nausea, vomiting, and peripheral colic in the digestive system to varying degrees. It will also be accompanied by neurological symptoms such as dizziness, headache, weakness, blurred vision, and rotation of vision. In addition, patients may experience tachycardia, arrhythmia, chest tightness, shortness of breath, palpitations, and difficulty breathing. In severe cases, patients may also suffer from anaphylactic shock, resulting in a drop in blood pressure, pallor, and a fine pulse.