Yes, good cholesterol which means HDL should be raised so that it can transport the LDL or bad cholesterol for the purpose of excretion. Excess fats will be swept by the good HDL. It is important to see that the HDL number does not fall below 40mg/dL. And if it is above 60 then it is really very good. The cholesterol levels greatly depend upon the hereditary factors as well as your lifestyle. Obesity, having foods which are high in Trans fats and smoking habits lower the good cholesterol, HDL. It is vital to increase HDL and following things can be done to do the same:

A good lifestyle which is a combination of exercises and right diet can help in increasing HDL. Increased HDL can automatically help in reducing LDL. In this way you can raise your good cholesterol and keep the bad cholesterol under check.