Change (use biodegradable materials), simplify or cancel the packaging of living and sanitary products in guest rooms. Hotel operators often overlook some additional costs when purchasing disposable room supplies in addition to product costs. For example, pipe plugging, water use, washing times, etc., these should also be considered when purchasing. toothbrush Is the main factor that influences the quality of the toothbrush bristles quality and grinding rate of MAO, changing a daily toothbrush usually three months, if not treated with grinding MAO toothbrush in use after a period of time, because the brush and the adaptation of the teeth can also form grinding "natural" MAO, and disposable toothbrush usually only use 2-3 times, if brush hair quality is bad or rub hair rate is not enough, will cause damage to the oral cavity. Therefore, the quality standard of hotel toothbrush must not be lower than that of daily toothbrush