Please keep the product in its best condition and follow the following seven precautions to avoid damage to the product:1. Do not place the product where the baby or unconscious patient touches.2. Do not subject the product to any strong impact, such as dropping the product from a height.3. When the liquid medicine is in the liquid medicine bottle, do not carry or store the product.4. Do not place the product in a place with high temperature, low temperature, high pressure or direct sunlight.5. Do not fold the air supply pipe.6. Please refer to the local government regulations for disposal of discarded bodies, accessories and optional components.7. Do not use benzene, thinner or flammable chemicals to clean the product.