How to get happiness? Nobody knows how to set a standard to measure happiness, but everyone knows that happiness comes from to achieve a goal or gain something you want. However, there is no free lunch, you must make the effort to gain happiness. As for me, The feeling of happiness is often derived from solved some problems that confused me such as acquire a good result of experiments through long hours of hard work. I have some suggestions about what should we do to get happiness. The priority is filling confidence and passion to prepare face difficult that could meet, And then analyze problems and understand some conception of these problems. On the basis of above mentioned to make a detailed plan. Finally, take positive action to realize it steps by step. The effort will be rewarded, and the reward always with happy and excited mood.