筝弦是钢丝外缠尼龙，如淋雨受潮或手汗过多会使里面钢丝生锈，弦子发黄，易老化。平时不要用潮手弹筝，不要用潮布抹筝弦，不要用小刀或其他硬器刮弦，除尘请用软毛刷子，灰尘应及时处理。
3. Zheng string is made of steel wire wrapped with nylon. If you get wet in the rain or sweat too much, the steel wire inside will rust, the string will turn yellow and easy to age. At ordinary times, do not play the zither with damp hands, do not wipe the zither string with damp cloth, do not scrape the string with a knife or other hard device, use a soft brush for dust removal, and the dust should be treated in time.
4、弹筝前要洗净手并擦干，以防手指上的水、汗、油等粘在弦上，使弦被弄脏或生锈而缩短使用期，为了防止灰尘，最好做一个筝帔或筝罩，弹奏结束将筝罩(盖)好。
4. Wash and dry your hands before playing the zither to prevent the water, sweat and oil on your fingers from sticking to the string, which will make the string dirty or rusty and shorten the service life. In order to prevent dust, it is best to make a zither or zither cover, and cover the zither cover (cover) after playing.
5、平时将筝放于室内，不能淋雨，不要放在阳光下长时间曝晒，更不要靠近暖气等极度干燥的环境下。
5. Usually put the zither indoors, not in the rain. Don't expose it to the sun for a long time, and don't get close to the extremely dry environment such as heating.
6、如短时间不弹筝，也不要将弦松掉或将筝码卸下，只要防潮，防晒，防灰即可，不可直接放在地上或挂在潮湿的墙上。湿气较重时，将古筝放入盒内，并在盒内放入干燥剂。
6. If you don't play the zither for a short time, don't loosen the string or remove the zither code. As long as it is moisture-proof, sun proof and ash proof, you can't put it directly on the ground or hang it on the wet wall. When the humidity is heavy, put the zither into the box and put desiccant in the box.
7、 移动筝柱校音时，应用手先向上抵弦，减少弦对筝柱的压力后再移动，以免损伤筝弦和擦伤面板。
7. When the zither column is moved for sound correction, the hand should first touch the string upward to reduce the pressure of the string on the zither column before moving, so as not to damage the zither string and scratch the panel.
4、 经常使用，可保持乐器筝弦和共鸣体长期处于良好的振动状态，有利于乐器结构之间进一步调和，使筝的音色相对稳定。
4. Often used, it can keep the zither string and resonance body of the instrument in a good vibration state for a long time, which is conducive to further harmony between the structure of the instrument and make the timbre of the zither relatively stable