Clinical manifestations of intracranial tumors: depending on their pathological types and occurrence sites. The difference of the main speed varies greatly, but the common features are as follows: 1. Symptoms of increased intracranial pressure account for more than 90% of the patients with brain tumors, which are as follows: 1. Headache, nausea, vomiting, headache located in the frontal and temporal part, persistent headache with paroxysmal aggravation, headache is often worse in the morning, and it can be normal in the intervals. 2. 2.Optic papillary edema and vision loss. Mental and consciousness disorder and other symptoms: dizziness, diplopia, transient black haze, sudden collapse, blurred consciousness, mental restlessness or indifference, epilepsy or even coma. 4, vital signs changes: moderate and severe acute intracranial pressure increase, often caused by respiration, pulse, slowing down, blood pressure rise. Local symptoms and signs: it mainly depends on the site of tumor growth, so the local diagnosis of the tumor can be made according to the patient-specific symptoms and signs. Clinical symptoms of cerebral hemisphere tumor: (1) Mental symptoms: mostly manifested as slow reaction, lazy life, memory loss, or even loss of memory, or loss of self-awareness and judgment in severe cases, and also manifested as irritable, easy to be agitated or elated. (2) Epileptic seizure: including generalized grand mal seizure and limited seizure, frontal lobe is the most common, followed by temporal lobe, parietal lobe, occipital lobe is the least common. In some cases, there are aura before convulsions, for example, temporal lobe tumors, there are often fantasies, vertigo, and other aura before seizure, and parietal lobe tumors can have abnormal sensation such as numbness of limbs before seizure. (3) Symptoms of damage to the pyramidal fasciculus: manifested by positive pathological signs of hemifacial or single limb weakness or paralysis on the opposite side of the tumor. (4) Sensory impairment: manifested as impairment of position sense, two-point discrimination sense, graphic sense, texture sense and solid sense of the limb on the opposite side of the tumor. (5) Aphasia: motor and sensory aphasia. (6) Visual field changes: manifested as visual field defect, partial blindness. Clinical manifestations of pterosynovial tumor: (1) Visual impairment: the tumor develops upward to the saddle and compresses the optic cross to cause visual loss and visual field defect, which is often the main reason for pterosynovial tumor patients to come to the clinic, and funduscopic examination can find primary optic nerve atrophy. (2) Endocrine dysfunction: For example, hypogonadotropic hypogonadism, which manifests as impotence and loss of libido in men. Females may show prolonged menstrual period or amenorrhea. Excessive secretion of growth hormone may lead to gigantism before maturity and acromegaly after maturity. Clinical symptoms of pineal region tumor: symptoms of quadruple stacked body compression: focusing on two aspects, i.e.: visual impairment, pupil reaction to light and regulation reaction disorder, tinnitus, deafness; unsteady holding, staggering gait, nystagmus, incomplete paralysis of limbs, both sides of the pyramidal fasciculus; urolithiasis, lethargy, obesity, generalized developmental stagnation, and precocious puberty in males. Clinical symptoms of posterior cranial fossa tumor: (1) Cerebellar hemisphere symptoms: mainly manifested as ataxia of the affected side of the limbs, but also can be seen on the affected side of the muscle tone or no tension, knee tendon reflexes, nystagmus, and sometimes vertical or rotatory nystagmus can also occur. (2) Cerebellar earthworm symptoms: mainly characterized by ataxia of the trunk and distal lower limbs, excessive separation of the feet when walking, staggering gait, or swaying from side to side like a drunkard. (3) Brainstem symptoms: the characteristic clinical manifestation is the emergence of cross paralysis, such as midbrain lesions, manifested as the lesion side of the motor nerve paralysis, pontine lesions, can be manifested as the lesion side of the eyeball abduction and facial muscle paralysis, ipsilateral facial sensory disorders and auditory deficits, medulla oblongata lesions can be seen on the same side of the lingual muscle paralysis, pharyngeal paralysis, the posterior third of the tongue, such as the disappearance of the sense of taste. (4) Cerebellar pontine horn symptoms: tinnitus, hearing loss, dizziness, facial numbness, facial muscle twitching, facial muscle paralysis, hoarseness, choking on water, ataxia and horizontal nystagmus on the sick side. Progressive course: the tumor may not show compression symptoms in the early stage, but with the increase of the tumor, the clinic often shows different degrees of compression symptoms. According to the growth site of the tumor and the degree of malignancy, the tumor grows at different speeds, and the degree of symptomatic progression is also fast or slow.