The waves of microwave ovens and light wave ovens are both electromagnetic waves, but they have different wavelengths and frequencies. The radiation of microwave ovens can only be blocked by using metal materials, while the light waves of light wave ovens can be blocked by using opaque materials. Microwave ovens can avoid microwave radiation as long as they are away from the stove at a certain distance; light wave ovens have two functions: microwave and light wave. Only when the microwave function is used, the harm of the light wave oven is the same as that of the microwave oven. When the light wave heating function is used, the harm of light waves to the human body is The impact is the same as the bathroom heater lamp when people take a bath.