diff --git a/doctor.cpp b/doctor.cpp
new file mode 100644
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--- /dev/null
+++ b/doctor.cpp
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) 2018-2022 QuasarApp.
+ * Distributed under the lgplv3 software license, see the accompanying
+ * Everyone is permitted to copy and distribute verbatim copies
+ * of this license document, but changing it is not allowed.
+*/
+
+#include "doctor.h"
+
+namespace QuasarAppUtils {
+
+Doctor::Doctor()
+{
+
+}
+
+}
diff --git a/doctor.h b/doctor.h
new file mode 100644
index 0000000..9a805a6
--- /dev/null
+++ b/doctor.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2018-2022 QuasarApp.
+ * Distributed under the lgplv3 software license, see the accompanying
+ * Everyone is permitted to copy and distribute verbatim copies
+ * of this license document, but changing it is not allowed.
+*/
+
+#ifndef DOCTOR_H
+#define DOCTOR_H
+
+#include <QSharedPointer>
+
+namespace QuasarAppUtils {
+
+class iPill;
+/**
+ * @brief The Doctor class is class that execute pills objects.
+ *  The Doctor check issue that will be executed and if the issue realy then execute fix.
+ * @warning This is dangerous system because you may create bug in pill and doctor that will execute this pill may broke users app.
+ * @see iPill
+ */
+class Doctor: public QObject
+{
+    Q_OBJECT
+public:
+    /**
+     * @brief Doctor This is base contructor of doctor calss.
+     * @param base This is list of known issues.
+     */
+    Doctor(const QList<QSharedPointer<iPill>>& base);
+
+    /**
+     * @brief diagnostick This method run full diagnostick of this application.
+     *  If the @a fix is true then doctor try fix the foundet issues.
+     *  If the @a fix value if false then the Doctor emit the sigTroubleDetected signal.
+     * @param fix set this argument to tru if you want fix all foundet issues.
+     */
+    void diagnostick(bool fix = false) const;
+
+    /**
+     * @brief fix
+     * @param pill
+     */
+    void fix(const QList<QSharedPointer<iPill>>& pill) const;
+signals:
+    /**
+     * @brief sigTroubleDetected This signal will emited when The doctor object found issues in this application.
+     * @param issues
+     * @see Doctor::diagnostick
+     */
+    void sigTroubleDetected(QList<QSharedPointer<iPill>> issues);
+
+    /**
+     * @brief sigFixesFailed This signal emited when the doctor can't fix foundet issues.
+     * @param issues This is list of the unfixable issues.
+     */
+    void sigFixesFailed(QList<QSharedPointer<iPill>> issues);
+
+    /**
+     * @brief sigFixesFinishedSuccessful This signal emited when the doctor fix foundet issues successfull.
+     * @param issues This is list of the fixed issues.
+     */
+    void sigFixesFinishedSuccessful(QList<QSharedPointer<iPill>> issues);
+
+
+private:
+    QHash<QString, QSharedPointer<iPill>> _pillsData;
+};
+
+
+}
+
+#endif // DOCTOR_H
diff --git a/ipill.cpp b/ipill.cpp
new file mode 100644
index 0000000..eb74275
--- /dev/null
+++ b/ipill.cpp
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2018-2022 QuasarApp.
+ * Distributed under the lgplv3 software license, see the accompanying
+ * Everyone is permitted to copy and distribute verbatim copies
+ * of this license document, but changing it is not allowed.
+*/
+
+
+#include "ipill.h"
+
+namespace QuasarAppUtils {
+
+iPill::iPill()
+{
+
+}
+
+
+}
diff --git a/ipill.h b/ipill.h
new file mode 100644
index 0000000..9708fa0
--- /dev/null
+++ b/ipill.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2018-2022 QuasarApp.
+ * Distributed under the lgplv3 software license, see the accompanying
+ * Everyone is permitted to copy and distribute verbatim copies
+ * of this license document, but changing it is not allowed.
+*/
+
+
+#ifndef IPILL_H
+#define IPILL_H
+
+#include <QString>
+
+
+namespace QuasarAppUtils {
+
+/**
+ * @brief The iPill class is base interface for the pill object.
+ * The Pill object is independet tool that must be fix one issue for runned application.
+ *
+ * ## For Example:
+ *
+ * You has a sume bug, but you don't known about this bug.
+ *  This big broken the database for your users, but you still don't known about this.
+ * You found this bug and create new patch for fix it, but databae of your users alredy broken, and you users can't fix this issues yasterself.
+ *  So you can create a pill for fix broked database and delive to your users for fix thes issue.
+ *
+ * The Pill object structure should be has:
+ * * The Action that should be check if contains this issue or not ...
+ * * The Action taht should be fix issue.
+ * * Description of the issue.
+ * * Name of the issue.
+ *
+ * * @see iPill
+ */
+class iPill
+{
+public:
+    iPill();
+
+    /**
+     * @brief name This method should be return name of this pill.
+     * @return name of this pill.
+     */
+    virtual QString name() const = 0;
+
+    /**
+     * @brief description This method should be return dital description of the issue that this pill will fix after execute (accept).
+     * @return string valeu with description.
+     */
+    virtual QString description() const = 0;
+
+protected:
+
+    /**
+     * @brief diagnostick This method execute action that should be check if exits issues or not.
+     * @note This method will executed only on the Doctor object.
+     * @return true if the issues is detected.
+     */
+    virtual bool diagnostick() const = 0;
+
+    /**
+     * @brief fix This method should be fix detected issue.
+     * @return true if the issue fixes successful else false
+     */
+    virtual bool fix() const = 0;
+
+
+    friend class Doctor;
+};
+
+}
+#endif // IPILL_H