In the 21st century, necessities are the most important need in our life and that we cannot live without. A necessity is something that is absolutely needed. Nowadays, the most of the people will think the first necessity is money, second is mobile phone and the third is food and water and so on. Food and water, mobile phone, money are the three main necessities that we cannot live without. First and foremost, food and water are the basic and essential need for living. Food is necessary for the survival of human species and it can provide us with energy, prevent illness and help us to recover from illness. For example, rice, vegetables, fruits and so on. After breathing, eating is what we do most frequently during a lifetime. On the other hand, water is the one Nature’s most important elements to good health, necessary for the digestion and absorption of food. Water can help to maintain proper muscle tone and drinking water is essential to weight loss. Humans drink at least eight glasses of clean water each to maintain good health. However, food and water are equally important to our physical body. It helps us to grow at every stage. Hence, food and water will impact our healthy and so it is the one needed every day. Secondly, great advancement in the field of science and technology has resulted in the invention of numerous devices, which have made our life more easier and more comfortable – the most popular mobile phone. Being the mobile phone has intruded in our lives and has made its own unique stand. It is very useful whenever you are. For example, if you forget to wear your watch, you can tell the time buy looking at your mobile phone; it also can be your personal diary; and it acts like a mother and wakes you up in the morning. Nowadays, mobile phones can be replacing laptops by accessing the internet through the mobile phone. There are International websites that allow us to send mails, search information anytime, and we can make free calls to foreign countries and shop. As a result, mobile phone usage has become a necessity of life. People from all walks of life go can’t live without a mobile phone. Last but not least, money has become a very crucial aspect of living. It allows us to provide ourselves with the basic needs of life such as clothing, transportation, shelter, education, as well as luxury items. Money has changed society a lot. That is true, money buys you, things that you want, things that you need. If you have a lot of money, what wonderful things you could do with it: travel to the countries you have always dreamed of, buy a house, donate money to help poor people, stimulate the economy and spend more quality time with your family and the list goes on. Therefore, money is one of the necessities in our life. In conclusion, necessities are the part of our life that cannot be neglected. No matter in what situation or where you are, you need necessities every time. Food and water are needed for our physical body daily. Children since about six years old, already have mobile phones to play games and communicate with friends. Nowadays, younger generation particularly teenager, tend to get caught up in buying the latest things, go out regularly, their expenses are overweight and hence we can’t live without money. Evidently, these three things are the necessities that we cannot live without.