It is recommended that you drink it immediately and not store it.

A sufficient amount of coffee beans: the portion of coffee beans used must be enough, using too little coffee powder will lead to astringent or bland coffee, so you can't put in too much at once.

Appropriate water temperature: The temperature of water suitable for brewing coffee is generally between 88-94 degrees. So please avoid using freshly boiled water to brew coffee. It's usually best to wait until the water has boiled and then let it sit for a while before brewing the coffee.

Extended information:

Precautions:

Don't drink coffee when you are smoking. The caffeine in coffee, under the action of nicotine and other triggering substances in cigarettes, is prone to make changes in certain tissue cells of the human body and even induce cancer.

Coffee at work. Drinking caffeinated beverages at work will increase the tension of the work, resulting in a faster heart rate, higher blood pressure and increased cholesterol.

Drinking coffee while drinking alcohol. Drinking white wine with caffeinated beverages will aggravate the damage done by alcohol to the human body. Alcohol and caffeine have both excitatory and inhibitory effects on the brain, causing the brain to shift from extreme excitement to extreme inhibition, stimulating vasodilatation, accelerating blood circulation and greatly increasing the burden on the heart.

Baidu Encyclopedia - Coffee

People's Daily Online - Attention! These foods can not be stored in the refrigerator