Because the structure of the dulcimer body is a wood-glued structure, the dulcimer should be placed away from the heat source, do not let the body contact the heating for a long time to prevent the product from cracking and deform; The product is damp, the strings are rusted, cracked and deformed. When not in use, it should be put into the piano box in time; the strings should be coated with anti-rust oil every 2 weeks to prevent the strings from rusting; the dulcimer should be placed at a constant temperature (20º-30º) to prevent the body from being deformed due to sudden changes in the environment. cracked.

The traditional process of treating dulcimer panels is usually to bleach the panels with hydrogen peroxide and ammonia water, and then brush 1-2 times of nitro varnish on the basis of bleaching. Yellowing will directly affect the appearance of the product. The new panel production process is to delay the yellowing of the panel and save the process of brushing and painting. The dulcimer panel treated with the new technology has a more relaxed sound quality, closer to nature, and a cleaner appearance. It is perfect, and the yellowing of the panel is effectively delayed.