Prepare soil rich in organic matter to ensure the permeability of root system. The environment should be warm and comfortable, and spray drugs regularly for ventilation. Timely watering, timely and appropriate, so that the dry-wet cycle of basin soil is regular. Apply thin fertilizer frequently and use rice washing water skillfully to supplement acidity. Prune and pick flowers in time and use limited nutrients for flowering and leaf growth.

Rhododendron, a deciduous shrub of Rhododendron in Ericaceae, is 2-5 meters high and has many slender branches. Leaves are leathery, often clustered at the ends of branches, oval, oval or inverted oval, with short and sharp front ends, slightly curly leaves and thin teeth, dark green at the top and pale white at the bottom; Corolla broadly funnelform, obovate, usually 2-6 clusters at the top of branches.

Rhododendron has a wide range of medicinal value. According to the Dictionary of Traditional Chinese Medicine and other related Chinese medicine documents, Rhododendron is sour and sweet, has the effect of promoting blood circulation and regulating menstruation, and can treat diseases such as traumatic injury and rheumatic joint pain. Because the corolla is bright red, it can be used as a flower plant with high ornamental value; Rhododendron can also monitor toxic gases.