雀头血为文鸟科动物麻雀（Passermontanus(Linnaeus)）头部的血液。分布遍布全国。味咸，性平。归肝经。具有明目的功效。主治雀盲。
Que-tou-xue, name of Chinese Medicinal Material. Sparrow's Head Blood) is widely distributed throughout the country. It has a salty taste and a neutral nature, and it belongs to the liver meridian. It is known for its efficacy in improving vision and is mainly used to treat night blindness.

功效作用 功能
The efficacy and function.

明目。主治
Brighten the eyes. Treats:

雀盲。用法用量
Sparrow blindness. Dosage and administration

外用：适量，点眼。加工炮制 采收加工
External use: Apply a suitable amount and administer by eye drops. Processing: Collection and processing.

随用随捕，捕杀时，取头部的血，鲜用。动物学信息 动物属种
Capture and kill as needed, and use the fresh blood from the head when killing. Please provide more specific information about the animal species.

文鸟科动物麻雀头部。形态特征
Passerine bird family, sparrow head. Morphological characteristics

麻雀，小型鸟类。体长约12cm。嘴粗短，圆锥状，黑色。虹膜暗红褐色。额、后颈纯栗褐色。眼下缘、眼先、颏和喉的中部均黑色；颊、耳羽和颈侧白色，耳羽后部具有黑色斑块。上体砂褐色，翕和两肩密布黑色粗纹，并缀以棕褐色。两翅的小覆羽纯栗色，中和大覆羽黑褐而具白端，大覆羽更具棕褐色外缘；小翼羽、初级覆羽及全部飞羽均为黑褐色，各羽具有狭细的淡棕褐色边缘；外侧初级飞羽的缘纹，除第1枚外，其余羽基和近羽端两处，形稍扩大，成2道横斑状；内侧次级飞羽的缘纹较宽，棕色也较浓。尾暗褐色，羽缘较淡。胸和腹淡灰近白，沾有褐彩，两胁转为淡黄色，尾下覆羽较胁羽更淡。脚和趾均为黄褐色。分布区域
The sparrow is a small bird, approximately 12cm in length. It has a short, stout, conical, black beak and dark reddish-brown irises. The forehead and nape are pure chestnut brown. The area below the eyes, the eye line, chin, and the central part of the throat are all black. The cheeks, ear feathers, and sides of the neck are white, with black patches on the rear part of the ear feathers. The upper body is sandy brown, with black coarse streaks on the crown and shoulders, interspersed with brown. The small coverts of the wings are pure chestnut, while the median and greater coverts are black-brown with white tips, and the greater coverts have a brown outer edge. The small wing feathers, primary coverts, and all flight feathers are black-brown, with narrow pale brown edges on each feather. The marginal markings on the outer primary flight feathers, except for the first feather, and the bases and tips of the remaining feathers, form two expanded transverse bands. The marginal markings on the inner secondary flight feathers are wider, and the brown color is more intense. The tail is dark brown, with lighter edges on the feathers. The chest and abdomen are pale gray to white, tinged with brown, while the flanks turn pale yellow, and the undertail coverts are lighter than the flanks. The feet and toes are both yellow-brown. This bird is found in... (the distribution area is missing)

分布遍布全国。
Distributed throughout the country.