Star fruit wine in "Stardew Valley" is a very valuable special alcohol in the game. If you want to make star fruit wine, you can first repair the bus station, and then take the bus to the oasis store in the desert area to buy star fruits. Seeds, plant star fruits and brew them in barrels.
How to make star fruit wine in Stardew Valley
Submit all the treasury in the community center (a total of 42,500 gold is required), which will allow the bus station to be repaired, and then take the bus to the oasis store in the desert to buy star fruit seeds at the risk of your life.
Put the grown carambolas into small barrels to brew carambola fruit wine, which is the real get-rich-quick business. Later, if you expand your home and have a cellar with many barrels (and obtain the barrel recipe at the same time), you can also put part of the fruit wine into barrels for aging to increase the star level, up to a purple Iridium star level where the price is doubled.