The increase in population which exceeded 7 billion people creates an alarming situation in food security. Also, the land can't expand to produce more food with the hard environment and climatic changes. So, we must use the available resources efficiently. A tremendous amounts of agro & agro - industrial wastes like cereal straws, saw dust and others are accumulated every year which usually caused a sever environmental pollution when burnet or left rotten. Mushrooms can make a substantial solve to meet the serious food deficit and environment conservation. A great of cheap or worthless organic wastes which are available in large quantities all over the world countries, can be successfully used as media for growing button, oyster and various edible mushrooms, which are valuable and delicious food. The consumption and marketing demand of oyster and button mushrooms increases rapidly in most countries. Cultivation of button and oyster mushrooms consider a good investment topic for most people and farmers with affordable costs as well as a large investment for businessmen. The production could be used for fresh markets or processed by canning or drying by simple methods successfully