Dingke namely terbinafine hydrochloride cream is a topical drug of broad-spectrum antifungal drugs. The main effective ingredient is terbinafine, which can highly selectively inhibit the role of fungi and squalene epoxidase, thus blocking the oxidation reaction during the formation of fungal capsule, and interfering with the early biosynthesis of fungal solid alcohol, thus playing the role of bacteriostasis and fungicidal, Clinically, it can be used to treat tinea manus, tinea pedis, tinea corporis, tinea cruris, tinea versicolor, and cutaneous candidiasis. When using it, care should be taken for pregnant women and lactating women. During drug use, contact with eyes and other mucous membranes, such as oral mucosa and nasal mucosa, should be avoided. In short, terbinafine hydrochloride cream is an antifungal agent for external use, which can be mainly used for fungal infection of skin.