How to Cure a Zombie Villager in Minecraft
Make aSplash Potion of Weakness.
In a Brewing Stand,brew a Potion of Weakness, then add Gunpowder.
you’re free to also get a Splash Potion of Weakness by defeating witches.

Using a Crafting Table, put1 Applein the center box, then place8 Gold Ingotsin the remaining boxes.
you could also find Golden Apples in treasure chests.
To make Gold Ingots,use a Furnaceto smelt Raw Gold.

Equip theSplash Potion of Weaknessand use it on the zombie villager.
Stand back so the potion doesn’t also affect you.
Alternatively, shoot the Zombie Villager with a Weakness Arrow.

Equip theGolden Appleand use it on the zombie villager.
The zombie villager will begin shaking and the swirls around its head will turn red.
Stand back and wait for about 2 minutes.

After a couple of minutes, the villager will turn back to normal.
Cured villagers maintain their items and previous professions.
How Do You Earn the Zombie Doctor Achievement in Minecraft?

You’ll unlock the Zombie Doctor achievement when you cure a zombie villager.
As a special thanks, the villager will trade items at a discount.
Zombies appear at night or in very low-light conditions underground.

You’re most likely to find zombie villagers in abandoned villages and the basements of igloos.
Villagers can also turn into zombie villagers when bitten by zombies.
Zombies can’t survive sunlight, so cure your zombie villagers before they burn to a crisp!
it’s possible for you to alsocontrol them with a lead.
you might end it by leaving follow range or breaking line of sight.