He makes candy.
This phrase "make candy" means to create or produce sweets such as chocolates, hard candies, gummies, etc.
Examples:
"My neighbor runs a small business where he makes candy and sells it at the local farmers market."
"She always loved baking, but she never thought she'd end up making candy for a pving."
Translations:
"他的邻居经营着一家小生意，在当地的农贸市场上制作和销售糖果。"
"她一直喜欢烘焙，但她从未想过自己会以制作糖果为生。"