The utility model provides a kind of instrument waterproof equipment, including body, cover body is equipped in the end of body, the inside of cover body is opened with telescopic slot along circumference, the telescopic ring of telescopic slot inside is set, and the outer periphery of telescopic ring is opened with water collecting groove, so that cover body opens, and the telescopic ring is stretched out and matched with the outer periphery of cover body;The utility model improves the waterproof effect of the beautifying head of body, effectively avoids the humid state when beautifying head is used.