There is no easiest way to determine scabies clinically. Doctors can determine it through medical history, clinical manifestations, relevant examinations and other methods. 1. Medical history: whether the patient is in contact with people suffering from scabies. 2. Clinical manifestations: Scabies often occurs between the fingers, wrists, pubic area, thigh roots and other parts of the skin is relatively thin and tender, can be manifested as small papules, pimples, tunnels, accompanied by intense itching at night and so on. The pubic area may also show changes such as nodules. 3. Related examination: As the scabies bug moves between the skin, it can appear superficial thread-like damage on the surface of the skin, which is also known as tunnels. Doctors can take skin specimens by needle picking method at the tunnel lesions to observe the presence of scabies worms, eggs, and so on. If the above symptoms occur, the patient should go to the regular hospital in time, do the relevant examination, and take targeted treatment under the guidance of professional doctors.