The smell of mobile phone case is harmful to health, because the materials used in mobile phone case are silicone, plastic and so on. And some chemical additives will be added in the production process. Exposure to these pungent smells for a long time will cause dizziness, nausea and other symptoms. For sensitive individuals or people with allergies, allergic reactions, such as itchy skin, redness and swelling, can also be induced, but short-term exposure to these smells will not have a health impact on the human body.