1. First scald the tea bag with boiling water in a small cup and add some sugar (according to your own taste).
2. Then wash the lemon and slice it with a knife.
3. Squeeze the juice of lemon slices into the black tea, and put the squeezed lemon slices into the kettle for 5 minutes.
4. After the time is up, pour the black tea lemonade into the bowl, as shown below.
5. Then pour 80ml of hot milk into black tea and lemon water, as shown below.
6. Finally, according to personal taste, add the right amount of sugar and you can drink it.